What is Rubs?
1.
A short-hand version of saying rubbish.
"man that film was so rubs"
2.
Acronym for Rough Unprotected Butt Sex
This airplane is running late. Do you want to find an airport storage room and have some RUBS?
See
3.
sucks
when something horrible happens
Person 1: My car broke down!
Person 2: Man that rubs!