Top Definition
Internet lingo; stands for "you make my anus whistle." It means the same thing as LOL.
hottie4u: today i fell down a flight of stairs on accident!
skaterboi: ymmaw!!!!11
by Famousanus May 21, 2006
1 more definition
10 Words related to ymmaw
Internet lingo; stands for "you make my anus whistle." It means the same thing as LOL.
hottie4u: today i fell down a flight of stairs on accident!
skaterboi: ymmaw!!!!11
by Famousanus May 21, 2006

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