sack packer 

One who teabags. Can mean in real life or in a video game.

Random conversation: That guy's a total fucking sack packer.

After dieing in Halo 3: Fuck, I was killed. Fuck you you teabagging sack packer! (after seeing some noob teabagging the corpse)

sack packer by Kid Aqua January 6, 2008

Pecker Sack 

The sack under the pecker.
Can be used as an insult/ name

1. Tori you’re such a pecker sack
2. Peter piper picked a pack of pointy pecker sacks

Pecker Sack by Eaglesfan87 July 2, 2019

Slackpacker

To be a complete slut or whore whilst travelling. Can be used as a derogatory term for males or females as everyone is pretty easy whilst travelling

"Ive heard she's a right slackpacker" or this hostel is crawling with slackpackers

Slackpacker by Hendy :D July 31, 2012

Sackpacket 

Used to describe someone that is being a bitch, asshole, idiot, douchebag, or all of the above

" Uggh, Henry's being such a sackpacket."

Sackpacket by sackpacket November 22, 2015