Suprise buttsecks

The action of suprising someone...
With Buttsecks.
To achieve the perfect "SB" one must carefully position themselves behind the victim, then scream suprise buttsecks.

Ted: Hey Bob I'll give you 5 bucks you suprise buttsecks Ed
Bob: K
*positions*
Bob: SUPRISE BUTTSECKS
Ed: OMG

Suprise Buttsecks

When you come out of now where, trying to Rhino someone. Going as hard as you can, best if they are talking to a friend/girlfriend/boyfriend

Man 1: Yo, I got MW2 last night
Man 2: Sweet bro
Man 1: Yeah, I beat the snowmobile level
Man 2: Really man, sweet, I am up t......
Man 3 (Rhino Man 2): SUPRISE BUTTSECKS