| 略語 | 意味 | 日本語 |
| AAMOF | As A Matter Of Fact | 実を言うと |
| AFAIK | As far as I know | 知る限りでは |
| AFK | Away from keyboard | 外出中 |
| AISI | As I see It | 分かったら |
| AYST | Are you still there? | まだ居りますか |
| BAK | Back at keyboard | 戻り次第 |
| BBL | Be back later | じき戻る |
| BF | Boyfriend | ボーイフレンド |
| BOC | But of course | もちろん |
| BOS/BRS | Big orange/red switch | |
| BOT | Back on topic | 話しを戻すと |
| BRB | Be right back | 話しを戻すと |
| BTW | By the way | ところで |
| CE | Creative editing | 改編すると |
| CMH | Cross my heart | 神のご加護を |
| CUL | Catch/see you later | それでは、また |
| CUL8R | See you later | それでは、また |
| CWYL | Chat with you later | また、あとで |
| D&C | Duck and cover | |
| DBA | Doing business as | |
| DUCWIC | Do you see what I see | |
| DYHWIH | Do you hear what I hear | |
| E2EG | Ear to ear grin | |
| EOD | End of discussion | 以上 |
| EOL | End of lecture | 以上 |
| F2F | Face-to-face | 膝突き合わせ |
| FAQ | Frequently asked questions | よくある質問 |
| FITB | Fill in the blank | 空白を埋めて |
| FOAF | Friend of a friend | 噂によれば |
| FTASB | Faster than a speeding bullet | 弾よりも早く |
| FWIW | For what it's worth | いずれにせよ |
| FYA | For your action | 参考までに |
| FYI | For your information | 参考までに |
| GA | Go ahead | お先に |
| GD&R | Grinning, ducking, and running | ふふーん |
| GF | Girlfriend | ガールフレンド |
| GGN | Gotta go now | |
| GIGO | Garbage in, garbage out | ガイゴー |
| GIWIST | Gee I wish I'd said that | |
| GMTA | Great minds think alike | |
| GRUIT | Get real you impudent thing | |
| HHOJ | Ha ha only joking | 冗談ですよ |
| HHOK | Ha ha only kidding | 冗談、冗談 |
| HTH | Hope this helps | お役に立てれば |
| IAC | In any case | いずれにしても |
| IANAC | I am not a crook | 正しいと思うけど |
| IANAL | I am not a lawyer | 門外漢です |
| IBM | Inadequate, but marketable | |
| ICUR | I see you are | |
| IDBI | I don't believe it | えっ本当？ |
| IDC | I don't care | （関係ないから）知らないよ |
| IDTS | I don't think so | そうかしら |
| ILIWTPCT | I love it when the plan comes together | 実現したらいいね |
| ILY | I love you | じゃあね |
| IMBO | In my biased opinion | 私見ですが |
| IMHO | In my humble opinion | 私見ですが |
| IMI | I mean it | |
| IMNSHO | In my not so humble opinion | 言わせてもらうけどね |
| IMO | In my opinion | 思うに |
| IMVHO | In my very humble opinion | 私見ですが |
| INPO | In no particular order | |
| IOW | In other words | つまり（言い換えると） |
| IRL | In real life | 実生活では |
| JAM | Just a minute | ちょっと待って |
| JIC | Just in case | の場合 |
| JJ | Just joking | 冗談だよ |
| KISS | Keep it simple, stupid | 簡単に言って |
| KISS | Keep it simple & speedy | 簡潔に言って |
| KISS | Keep it short & simple | 簡潔が肝心 |
| KISS | Keep it simple & speedy | 簡潔が肝心 |
| KWIM | Know what I mean? | お分かり |
| L8R | Later | あとで |
| LLTA | Lots and lots of thunderous applause | 拍手喝采 |
| LOL | Laughing out loud | 大笑い |
| LTNS | Long time no see | しばらく |
| MCIBTY (SN) | My computer is better than yours (so nyah) | |
| MFG | More friendly garbage | |
| MORF | Male or female | 男性？女性？ |
| MOTOS | Member of the opposite sex | 異性 |
| MOTSS | Member of the same sex | 同性 |
| MYOB | Mind your own business | 余計なお世話 |
| NBD | No big deal | 少し |
| NERD | National Establishment for Real Dorks | |
| NIMBY | Not in my back yard | |
| NRN | No reply necessary | 返信不要 |
| NTL | Nevertheless | やはり |
| OATUS | On a totally unrelated subject | 話しはそれるが |
| OIC | Oh, I see | なるほど |
| OTC | Over the counter | |
| OTOH | On the other hand | 一方 |
| OTTOMH | Off the top of my head | 思い付きだが |
| OTW | On the whole | 要するに |
| OWTTE | Or words to that effect | |
| POV | Point of view | 見方 |
| PPP | Petty pet peeve | |
| PTMM | Please tell me more | もう少し教えて |
| PTUM | Please tell us more | もう少し教えて |
| ROFL | Rolling on floor laughing | 超おかしい |
| ROTBA | Reality on the blink again | |
| RSN | Real soon now | すぐだよ |
| SBT | Strange but true | でも本当だよ |
| SO | Significant other | |
| SOP | Standard operating procedure | 決まった通りに |
| TANJ | There ain't no justice | 困ったもんだ |
| TANSTAAFL | There ain't no such thing as a free lunch | |
| TBIM | Too bad, it's Monday | 残念、月曜だ |
| TCB | Taking care of business | |
| TCS | Take care sweetheart | |
| TGAL | Think globally, act locally | グローバルに考えローカルに行動 |
| TGIF | Thank God it's Friday | 花（の）金（曜日）だね |
| TIA | Thanks in advance | よろしく |
| TINALO | This is not a legal opinion | 非合法かもしれませんが |
| TINAR | This is not a recommendation | お勧めで来ませんが |
| TINWIS | That is not what I said | 世間では |
| TLA | Three letter acronym | |
| TOJ | Tears of joy | うれし涙 |
| TOY | Thinking of you | 君の事だが |
| TPTB | The powers that be | |
| TTBOMK | To the best of my knowledge | せいぜい知る限りでは |
| TTFN | Ta-ta for now | それじゃあ |
| TTM | To the moderator | 議長さんへ |
| TTT | That's the truth | 本当ですよ |
| TTYL | Talk to you later | またあとで |
| TTYRS | Talk to you real soon | 直に話すよ |
| TWIU | That's what I understand | それだけ分かった |
| TY | Thank you | 有り難う |
| UTC | Under the counter | こっそり |
| UTT | Under the table | こっそりと |
| WHAK | With hugs and kisses | すばらしい |
| WMRS | Write me real soon | すぐ返事を |
| WRT | With regard/respect to | それについては |
| WYSIWYG | What you see is what you get | 見た通りにプリントされる |
| YAOTM | Yet another off topic message | |
| YHGASP | You have got a serious problem | そりゃ大変だ |
| YWSYLS | You win some, you lose some | 負けるが勝ち |
