Someone who bangs their head between young men's butt cheeks for enjoyment. Usually done to males between the ages 13 and 26
"Dude, did you just see Evan do the perfect hat bang"
"Yeah man, he's the perfect hat banger"
"10/10 would definitely hat bang"
"Yeah man, he's the perfect hat banger"
"10/10 would definitely hat bang"
by Hatsonhatsonhats August 17, 2016
Get the hat bangermug.