The act of placing your bare junk (usually male) onto the person sitting directly in front of you during class in the fashion a bird would perch onto a tree branch.
Guy 1: Yo dude, today I just lost it and started perching up on this d-bag who had been annoying me all semester.

Guy 2: Gross man.
by mmalone July 13, 2009
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alternate way to describe giving someone the middle finger.
"you want a perch? there! ya perched!!" (giving middle finger)
by the butcher September 30, 2006
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1. Acting alert in an office setting to avoid getting more work or to seem busy to others.

2. Wasting time at work while resting hands on keyboard to look busy.
"Thank God it's Friday. I've been perching at my desk all afternoon waiting for 4 o'clock."
by Pirate Fish June 4, 2009
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to have one's asshole fall out. usually said in Wisconsin. people usually perch in extreme weather conditions, like the humble winter.
by analpounder037 December 4, 2014
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When fucking a woman against the wall, one removes ones hand and the woman perches on the dick.
She was perched on my dick for a good 10 minutes!

You should have seen the bird perching on my dick last night.

I like it when she wiggles while she perches on my dick.
by Sam Kaci November 9, 2007
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What does perch mean? That can be answered with another question... What doesn't perch mean?

Can aslo be said as; Perchy, used as a noun adjective or any other part of speech.
Becky: Woah those people seemed pretty perch.
Rachel: Yeah, very perchy.
by Awesomeninjabeast February 4, 2010
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The act of sitting upon the bar of a school desk rather than the seat itself. Normally one's excuse for this is because "they like to be above everybody else".
"Yo, that girl is perching so hard"
"Yeah, she looks like an owl"
by Tanner11 October 14, 2011
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