whacking 

irish slang for fucking shagging banging etc

i was whackin' the box off her all night

whacking by womoma April 17, 2005

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

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

Whacking circle 

The act of getting in a circular shape and masterbating around someone or something.

The whacking circle aroung Julie made her even whiter than before

Whacking circle by Wsujopp3 March 22, 2010

whacking the weasel 

masterbating

Jimmy won't stop whacking his weasel..kid was in the bathroom 4 hours yesterday.

whacking the weasel by JaYceE October 5, 2003

whacking the doodle 

Masturbating; jerking off; pounding the pud.

Jimmy developed carpal tunnel syndrome in his wrist from whacking the doodle too many times each day.

whacking the doodle by MTSpacey December 27, 2007