it means like win or something so like if someone says W rizz it means they have a lot of rizz or ppl say W if someone did something cool or like if they got like muscles and the opposite is L. it can also be said as common W
"W rizz" "W muscles" "common W bob common L jane"
The 23th letter of the alphabet.
Usually means "win".
Some guy: says a smart thing
Me: W