When a girl start giving a guy head but then decides to stop/leave before the guy blows his load.
She stoped giving me head before I cames and she left. All I got was a half-pipe.
by King of Half'rs January 15, 2005
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This is the origin of the word as far as I know. Two opposing ramps originally used for BMXers, but now used by snow boarders, roller bladers, skateboards and others. See also quarter pipe.
I heard they're building a new half-pipe down at the park this summer. Let's try it out but I'm not down with wearing all of the armor they are going to require.
by Tentochi February 11, 2005
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noun, meaning a penis that is not fully erect, but half-way.
It was horrible when I had to walk in front of the class with a half-pipe hanging out.
by Jonathan and Carl January 09, 2004
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A term for a skateboard ramp that looks like a U, named a half-pipe because it is essentially half of a full pipe.
by tomtom not johnjohn April 23, 2011
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when you dont have a full on hard on, but you got a semi hard on.
i cant stand up right now cos i got a half pipe.
by halfpipeasaurus March 17, 2011
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while taking a shit, the turd curves up and collides with the nut sack!
Adam R was taking a shit and got half-piped!
by Zach Laflair March 19, 2008
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The act of laying on your back on the bed with your feet up over your head secured by the headboard so it enables you to suck your own dick.
Man, I gave myself a crazy half-pipe special last night. Now my back is killing me.
by getfisted December 11, 2012
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