tittybuttfuckyeah

1. a word proclaiming your enthusiasm about whatever it is that you might be enthusiastic about.
2. another form of responding positively to whomever you might be talking with and agreeing with what they have to say.

Bro 1: Hey bro2 you down to go see the Doyers crush the Rockies (name of crushed team is interchangeable) with me after I get off from work?

Bro 2: Oh, tittybuttfuckyeah bro1!