one who indulges himself in the art and science of tits. This can range from everyday observation of breasts to the occasion of playing with a big-titty-ass-bitch.
Sometimesfollowed by numbers in order to show a level of Titmastery.
A person, (commonly a male teenager) with no experience in handling boobs (tits).
Commonly uses excuses such as: the tits were slippery"
No. 1: Dude, I just touched her tits!
No. 2: I saw that, and you allmost wrecked her rack!
No. 1: No, I didn't!
No. 2: Yes you did bro, you're a Titsaster!