(Noun) When a man's uncircumcised penis is really tiny and the foreskin appears to coil up like a Devo Hat.
Baby, your flaccid penis looks likes a Devo Hat. Whip it good!
by Fatsie Mc Doo Doo Face June 06, 2011
When one shits on the top of anothers head and the shit is in the shape of a coiled up snake. Inspired by the 80's pop-rock band "Devo".
"So when I was in Germany this really kinky bitch gave me a wicked Devo Hat."
by Morris Town Crunch Jr. May 10, 2007