shimmy up the mule 

to try something which won't do you no good -- it ain't a boy or a girl so you get nothing outta doin' it. May as well jack your own hammer.

having a crush on a happily married but very hot teacher

shimmy up the mule by Henry Marquez October 12, 2003

shimmy up the mule 

1. Doing something pointless.
2. The term shimmy means to dance shaking from the shoulders. A mule is another word for donkey Aka ass. It literally means dancing with an ass. In modern lingo means dancing with a phat ass bitch.
3. Also refers to masterbating. Sometimes fantasizing about donkeys.

Tyler was feeling lonely so he desided to shimmy up the mule.
When I go out to clubs I shimmy up the mule.

shimmy up the mule by Jimboozie October 14, 2003

shimmy up the mule 

Abnormal vibration or wobbling, as of a person who serves as a courier of illegal drugs.

shimmy up the mule by Shun October 16, 2003