The act of blathering, pondering and questioning yourself over existential matters, feelings, might be future decisions, in a futile attemp to get answers, sound interesting, or, simply, drive ur mates round the bend.
Ruben: What's the meaning of life? why are we here?
Bre: Here we go, you deepin' again. Who cares! grab that beer and take a sip, you think too much, just let go.