What is Surprise Buttsecks?
To give someone
A: Me and my gf had a really romantic date last night. Saw titanic.
A: yeah, and then when that stupid boat sank, i gave her surprise buttsecks!!!1 kekekekeekk
The best kind.
Jim giving Mary surprise buttsecks (although results may vary):
Mary: Whoo hoo!
When going at it like dogs, the penis, moving quickly, then ejects from the vagina and enters the anus, often resulting in pain and extreme terror/pleasure.
Often to calm the victim of this "surprise", the penetrator yells
"SURPRISE BUTTSECKS!!" in a vain attempt to make light of this magical , yet, often horrible experience.
Man: Oh yeah baby
Man: opps i slipp.....
Woman: Ow. OWWWWW!!!!!!!
Man: Surprise Buttsecks!!!!!!
Woman: this date is over! Bus driver let me off here!!!!!!