1. A
cooler way to say goodbye.
2. A phrase used in moments when there is nothing else to talk about, and there is no reason to hang around with whoever you are/were hanging out with any longer.
3. A douchier
way of saying "peace out"
4. A great way to hang up the phone.
5. "Cool
story, bro. lol, pce"
Dude: Yo, did you get those songs I asked for earlier?
Dumbass: Nah, that
shit was wack, so I bought you Kidz
Bop vol. 3 instead.
Dude: ...hasta la sayonara.
(Dumbass plays "Soak Up the
Sun")
Dude: gtfo my house, man.