The part of the arm that spans from the elbow to the wrist.
People that work with their hands might have muscular forearms.
by fiddly May 23, 2006
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the forearm admits a sexy section of the male specimen,
with its bulging vains and nicly shaved hair its like a second penis.
wanna do forearm?
by forearm fuckers January 11, 2019
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The act of stimulating your partners genitalia with your stump (only achievable if the performer is amputeed).
Jack: Do you think that war veterans use their amputee stumps to please their partner?
Mack: Yeah my grandpa does, it's called forearming.
Jack: Why do you know that?
by Yadingus1 October 4, 2015
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To call a guy 'forearm' it refers to their genitals being as large at their forearm. So really, it's a compliment .
"Woah dude, your dick is the size of your forearm."
"Hey, forearm !"
by Alex171777 May 4, 2016
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Phenomenon that occurs when wearing a long-sleeved shirt, jacket, sweater, etc. while carrying out a messy task with the hands (such as painting, eating tacos, sorting garbage, moving dusty furniture, changing a diaper, unclogging a toilet, or having sex).

The sleeves are rolled up in order to aid in providing more freedom and mobility with the hands, however, those gotdamn sleeves keep falling down and refuse to stay rolled up, resulting in them getting in the way and being dirtied in the process.

Usually and inexplicably happens with a piece of clothing that the owner particularly likes.
Larry: Yo, what's all that crud on the sleeves of your varsity jacket?

George: It sucks man, I was wearing it last night while Simone and I were doing the nasty. We were so hasty that I didn't feel like taking it off, so I rolled up my sleeves and proceeded to zoom-zoom in her boom-boom! ....Unfortunately, stupid gravity kept making the sleeves fall down and I got sex juice all over them.

Larry: Damn, son. Bad case of forearm grease. So.... how's dat Simone ass?

George: Larry, stfu
by Mr. Berzerker January 2, 2014
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The act of a woman pleasuring herself via rubbing her clitoris with her hand
Do you wanna watch me do a forearm workout or are you gonna join in this time?
by Robloxlover_69 January 29, 2023
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The large, meaty forearms Dads always have. They get these forearms from doing typical dad tasks such as tightening screws, hosing the car, opening jars etc.
Check out those Dad Forearms, are they not impressive!

I can't wait for the day I get Dad Forearms!
by Chester. } July 30, 2010
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