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1.
A condition of extreme (sometimes foolish) confidence or boldness pertainng to or having to do with the size of one's penis ("cock")
Only the most cocksure rookie was willing to stand up to the captain of the football team.
by ska_trombonist December 01, 2005
120 43
 
2.
damn right positive not wrong Certainly knowing and believing; confident beyond doubt;implicity trusting; unquestioning; positive;American slang.
Boy are you cock sure of that?
by j r lang January 04, 2008
32 6
 
3.
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 15, 2010
42 17
 
4.
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!"
by Uncle Larry January 26, 2010
39 28
 
5.
Gay man on a promise
I've got my leather chaps on. I'm feeling cock sure
by bongo74 June 04, 2009
8 7
 
6.
damn right positive not wrong Certainly knowing and believing; confident beyond doubt;implicity trusting; unquestioning; positive;American slang.
Boy are you cock sure of that?
by j r lang January 04, 2008
8 7
 
7.
The confidence you have knowing your cock is doing the damn thing.. You try "taboo" things and she just goes with the flow...You're so "Cock-Sure" she just doesn't say no...
"Damn baby....I've never done that before.... But you were so "Cock-Sure" I couldnt say no"
by Hottie McNaughty June 05, 2012
1 4