Top Definition
To jack off violently and then go to sleep for the night
Bob: did you get any from your girl?

Joe: nah man I'm just gonna pump and slump
by Thetruth26 May 21, 2014
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×