Buttstack 

Buttstack or buttstacking- Requires atleast two girls-- When a girl's butt is laid ontop of another girl's butt, touching it, with both girls face down. Can be done more than once.

2) Man, you won't believe what happened yesterday night! I got these two bubble butt girls in a buttstack! It was -AWESOME-!

Buttstack by Midorikawa Shun August 2, 2010

Buttack 

To stick ones finger ,usually in the form of a sneak attack, in someone's ass crack when it is exposed above their pant/underwear line. While doing so scream "Buttack!!!"

As Emmett leaned over exposing his plumbers crack Jason exclaimed "Buttack!!" While sliding his pointer down his toosh.

Buttack by Toiletstains March 30, 2015

buttracker

A person who tracks or looks at butts they find attractive. May also be used as an insult.

Friend 1: Stop looking at those butts, you buttracker

buttracker by minhothesassking April 16, 2015

SURPRISE BUTTSECKS

When the spy, featured on the PS3, and PC game, Team Fortress 2, attempts to stab you (one of the 8 other male characters) in the back, but instead, gives you "Surprise Buttsecks" after, the trending songs and videos on YouTube.

*The Blue Scout, is defeating the red team when suddenly-*
Spy: "SURPRISE BUTTSECKS", BUTTSECKS, B-B-B-B-B-BUTT-SECKS!!

SURPRISE BUTTSECKS by TeamFortress2Fangirl June 12, 2012

Buttpacker 

A play on words, connecting the words "backpacker" and "butt". Somebody enthusiastic about travel with a pinch of naughty to them.

Mainly a noun but can be used as an adjective.

- "Omg, that girl totally just flashed her tits from the top of the Eiffel Tower !"
- "Totally buttpacker"

- " We saw this funny penis shaped pile of rocks on our trip to Himalayas"
- " Must have been somebody from the buttpacker crew"

Buttpacker by Buttpacker June 20, 2018

surprise buttsecks

To give someone anal sex at an unexpected time, or place. Perfect for those special moments.

A: Me and my gf had a really romantic date last night. Saw titanic.
B: nice
A: yeah, and then when that stupid boat sank, i gave her surprise buttsecks!!!1 kekekekeekk
B: WTF??

surprise buttsecks by the real rick james December 7, 2005

buttcrack coolidge 

Noun - a person who exposes their buttcrack in public, likes to steal stuff off porches to support their crack and meth habits, a does it in a cool climate during the cold months.

Verb - The talented act of inserting crystal meth into your buttcrack to make it cold.

Noun - That hater Carol was such a buttcrack Coolidge for stealing my Christmas decorations.

Verb - Give that ice a buttcrack Coolidge so the haters can get a fresh tasting jail burrito.

buttcrack coolidge by Grand Firctionary March 30, 2017