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

by Hendy :D July 31, 2012

Slackback

A woman that lacks in the back and packs more in the front lower area

That girl's tits are great and all but she's a slackback...

by Guphball September 14, 2022