| Acronym | Meaning |
| W | Wink |
| W2F | Way Too Funny |
| W8 | Wait |
| W8AM | Wait A Minute |
| WAG | Wild A*s Guess |
| WAYD | What Are You Doing |
| WB | Welcome Back |
| WB | Write Back |
| WBS | Write Back Soon |
| WC | Who Cares? |
| WDALYIC | Who Died And Left You In Charge? |
| WE | Whatever |
| WEG | Wicked Evil Grin |
| WF | Way Fun |
| WFM | Works For Me |
| WG | Wicked Grin |
| WIBNI | Wouldn't It Be Nice If... |
| WNDITWB | We Never Did It This Way Before |
| WRT | With Regard / Respect To |
| WT? | What / Who The ? |
| WTF | What The F*ck? |
| WTFO | What The F*ck? Over! |
| WTG | Way To Go! |
| WTGP? | Want To Go Private? |
| WTH | What The Hell? |
| WTHDTM | What The Hell Does That Mean? |
| WU? | What's Up? |
| WUF? | Where Are You From? |
| WYP | What's Your Problem? |
| WYSIWYG | What You See Is What You Get |
| WYWH | Wish You Were Here |
| XOXO | Hugs And Kisses |
| Y | Why? |
| YBS | You'll Be Sorry |
| YGBSM | You Gotta Be Sh*ttin' Me! |
| YKYBOTLW | You Know You've Been On Line Too Long When? |
| YMMV | Your Mileage May Vary |
| YMMVG | Your Mileage May Vary Greatly |
| YRG | You Are Good! |
| YW | You're Welcome |
| ZZZ | Sleeping, Bored |