Beer or ale. Used to replace a meal.
"We're going to stop at the pub tonight for a couple of hydraulic sandwiches after work."
by BigMFJoe January 24, 2006
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The occurance of passing diarrhea or other liquid when farting, or passing gas.
When a guy or gal sqeezes out a particularly squeaky or bubbly fart, one would say, aw' shit, I hope that wasn't a hydraulic fart!
by Rev Ron November 04, 2010
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When a girl squeezes her arms close together to make her breasts look larger usually in a picture.
Did you see kaylas hydraulic tits on her snapchat story?
by -anomynous June 29, 2015
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When someone shits in between a girls tits, and rubbs it around. The tity-fucks her.
Boy: "Its bee a while since i have gave someone a rusty hydraulic"
Girl: "Whats that?"
Boy: "Here lemmie show you, just take your shirt off...."
by a-gap right now October 20, 2011
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When Timmy get a massive amount of Zeus Juice goin on a smite game.
"Timmy, you really gave those fucks a good Hydraulic Gape ing! That Zeus Juice is on point son."
by Hydraulic Gape May 26, 2019
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When a guy curls up into a ball and then proceeds to pull a Durex X-tra Strentgh Condom over his entire body.
He will stay within the condom for the next week, while occasionally discharging bodily fluids. The mixture of shit and cum are evenly distributed all throughout the condom, enclosing the man in a chrysalis of sorts. After the 7 day period, the guy then bursts out of the condom and flies away with his newly developed butterfly wings.
Ah, the beauty of nature.
Nick: "Hey, have you seen Mark today?"

Mir: "Naw man, I think he formed his cacoon last night."

Nick: "Lucky bastard, I've always wanted to go through Hydraulic Metamorphosis!"
by Professor Kukui January 14, 2018
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