the fusion of smashing and banging born in the catalyst of aggressive fucking. to ferociously penetrate your partner while bending her over a balcony during spring break.
Dude, last night I was smanging this chick so hard we broke the bed.
Is a sandwich you eat while smangin a chick from behind. You can rest it on her back. Shit, if you have one of them baller ass tempurpedic beds you have your drink on the side too.