Top Definition
A more healthful alternative to standard male masturbation, which is is performed in the decidely lazy position of sitting down.

A jerkin' jack is simply a standard jumping jack with the exception of one hand being devoted to masturbating.

5 minutes of jerkin' jacks burns approximately 1300 calories
Kent: What do you do to put off the weight, joe?
Chris: And jerkin' off doesnt count
joe: it does too, i do Jerkin' Jacks.
by Man Balls April 24, 2007
5 Words related to Jerkin' Jacks

Free Daily Email

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

Emails are sent from We'll never spam you.