WAA or, wet ass ass if you may, is very similar to WAP or, wet ass pussy. It is used to describe someone with a very sweaty or 'wet' rectum. The phrase was invented in 2020 as a parody to the song WAP.
"My WAA has caused a river in these pants." Helen said.
Someone who has a dislikable quality about them but is redeemed through being "thicc"
"She's kinda fiesty, but she do be thicc tho ð©ð©ð©ð¥ð¥ððð¥"