whoaching 

a portmanteau of whore + poaching. When a guy takes a well known slut off of his friend's FB list and proceeds to have sex with her as well.

Man, that dude totally was totally whoaching by doing the same girl i banged last week!

whoaching by NotNix January 20, 2014

Whacking it 

to masturbate aggressively without stopping until you are finished.

where is tom?
i think he's whacking it in the bathroom.

Whacking it by Fergieferg July 12, 2009

sack whacking 

Beating one's dick for pleasure, sometimes while fondling the sack.

"Zane, the neighbors can hear you sack whacking- tone it down!"

sack whacking by Jordan Mealick January 24, 2014

bat whacking 

When a guy beats off hanging upside down like a bat.

I can't believe you walked in on tony bat whacking

bat whacking by Hayparty August 21, 2014

whacking up 

Another word for injecting drugs

I saw Steve whacking up, he used a dirty needle, his been injecting drugs now for a year

whacking up by mitch00uk April 12, 2015

Whacking Hour

Anytime you know for certain that you will be home alone and can whack off without fear of being discovered.

My roommate hits the gym on the way home from work every Wednesday. The Whacking Hour begins as soon as I grab my laptop and some lube.

Whacking Hour by Jackson Elms June 29, 2017

hoaching 

To teem with. To have a plentiful supply of. Scottish in origin

This place is hoaching with midges

hoaching by alexandp January 12, 2009