Top Definition
before ejaculation, you proceed to shove your penis and/or cock against the woman/man's forehead and proceed to grunt, as though you are tim "the toolman" taylor, or a under-developed human being
dude, i cromagnoned sally, but i missed and got a wad in her hair!
by MamboPie February 03, 2011
2 Words related to CroMagnon
A person who has no eyebrows, a huge forehead and is very unpopular. Claims to have alot of friends but only has their family as friends. A person who is very annoying and you have to slap them on the forehead constantly.
Midgets, cro-magnon
by MUSGROVE September 30, 2009

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.