A condition of extreme (sometimes foolish) confidence or boldness pertainng to or having to do with the size of one's penis ("cock")
by ska_trombonist December 2, 2005
premature assumption of the complete and utter truth in one's thoughts, opinions, and actions. Cocking your gun with no ammo. Gunning your cock at anything that moves.
Regina, whose conjectural advances on others may seem overwhelmingly cocksure, occasionally comes to a veritable climax of intuition.
by plan bee February 16, 2010
A feeling of confidence, superiority, greatness, and swagger only obtained by pure animals. This "attitude " or "lifestyle" in fact has absolutely nothing to do with the size of one's penis, but is more a way of life for wildmen.
Frat guy #1:"Boy Larry is really killing it with the ladies tonight!"
Frat guy #2:"Yeah, I know! He's such a cocksure wildman!"
Frat guy #2:"Yeah, I know! He's such a cocksure wildman!"
by Uncle Larry January 27, 2010
to be very very sure, so sure that you'd bet you cock on it. From the classic British novel, Heart of Gayness
by tom wage September 15, 2003
To be incredibly boastful over the size of your penis; being excessively overconfident about the size of one's cock.
When Sarah asked Jim about his size, he answered in such a cocksure way that he got that bitches pussy wet.
by Kevin R. P. February 23, 2008
To be outlandishly boastful over the size of your penis; excessively overconfident about the size of one's cock.
When Sarah asked Jim about his size, he answered in such a cocksure way that he got that bitches pussy wet.
by Kevin R. P. February 16, 2008