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1.
The female version of wingman. Your titcaptain is the friend you bring along with you that helps you score some dick.
Girl 1: I'm hitting the town tonight.

Girl 2: Who's your titcaptain?

Girl 1: Jenna.

Girl 2: Oooh. I got me some mad dick the last time she titcaptained for me.
by shenanas February 08, 2011