Definitions by thiccestofthemillans

Thiccmillan 

Used to describe someone who is "dumb thicc", the thiccest of the thicc. Someone with a phat booty may be called a thiccmillan

"Hey man, did you see that phat woman over there?"
"Yeah man, she's what you call a thiccmillan"

Thiccmillan by thiccestofthemillans October 5, 2017