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2.
The act of skipping a meal and drinking instead
Dude, are you coming to get a bite to eat?" "No, I'm going hydraulic and staying at the party!
by Jimmy Lester May 09, 2011
 
1.
a system added to a car which can raise or lower a car on command.
My wheels got hydraulics.
by heime October 09, 2003
 
3.
A euphemistic term used to describe the male genitals or parts thereof. Coined by a DJ known as The Greaseman to avoid being fined by the FCC for offensive language.
Hey babe, slow down... we don't wanna wear out the hydraulics.

Geez, she really gave the old hydraulics a work-out.
by Macdonaldinho November 27, 2006
 
4.
An adjective used to describe something extremely cool and exciting. Similar to hydraulic cars in rap music videos that bounce up and down to a supercool, crazy-ass beat.
Yo son, that party last night was so hydraulic man! Fine-ass girls was EVERYWHERE...can't wait till the next one..!
by Willy Esco January 18, 2011
 
5.
(Addendum to an existing word)
Slang term for the penis -- in limited use, originated on the syndicated "Greaseman" radio show in Washington DC.
She grabbed my manly hydraulics and gave them such a sss-squuuuee-eeze!
by unkie al October 15, 2004