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. January 12, 2009
Get the Cocksuremug. 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. July 24, 2008
Get the Cocksuremug.