monkey straps 

When two black men hang their members over a girls shoulders and get jacked off

Dude that bitch is so dirty she must get monkey straps by everyone in school

monkey straps by Jaime Lannisterasdasdasd April 12, 2014

strap monkey 

train or subway commuter; usually used in a pejorative sense.

Just look at the blank faces on the strap monkeys. Poor swine condemned to suffer the indignities of London Underground day after day...

strap monkey by hierophant January 19, 2006