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
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
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