a younger male usually in his 20's or 30's who likes to engage in sexual intercourse with older women, most likely women over age 50.
"Derek you're a granny humper that chick you banged from the bar last night was 55 years old!
by T_Cool March 2, 2008
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1. (noun); one who is attracted to trees in setead of people - also see natosexual
2. (adj); wanting to protect nature so much that they will go to all extremes to protect it
3. (vrb); tree-hump: to hump a tree, but more likely just as a joke.
1. "Hey look at that chick, she's hot."
"I dunno."
"Are you gay?"
"No."
"Well you must be a tree-humper."

2. "I'm gonna pick that leaf off the tree."
"Hey, no! That's bad for the tree."
"It's only one leaf."
"But still! It could damage the tree in ways you couldn't possibly imagine!"
"Don't be a tree-humper."

3. "Hey guys. Look at this! I'm a tree-humper."
*humps tree*
"Hahaha! Very funny!"
by Kamikaze Watermelon December 5, 2008
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A student (aka "aggy", "agroid", etal) at Texas A&M, a glorified junior college located just north of east Bumfuck Nowhere in College Station, Texas, especially a member of the Corp of Cadets (aka "corp turds", "toy soldiers", etal).

Derived from their time-honored tradition of engaging in anal intercourse (fucking) ovine mammals (sheep).

This habit led to the school motto - "Texas A&M - Where men are men and sheep are scared!"
The sheep humpers are delusional.
by Old Sarge February 19, 2008
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an extremely tall and lanky drunk sloptard who randomly grabs chairs in the middle of dancing and begins to thrust into it as to make chair babies.
Dave used to walk like an Egyptian but now he's just a lonely chair humper.
by Chichi33 June 6, 2014
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