A technique done by linemen in the sport of football to deliver devastating blows by using their forearms on the opposing team. Players wore big forearm pads that went out over their elbows and they would practice their craft by thrusting their forearms into blocking bags. Some guys would go so far as to ram their forearms into walls.
"Yo, that dude just clocked the QB with a forearm shiver."
"The ref went ballistic after he was forearm shivered by the 300 pound lineman."
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a bulge in one's forearm as a result of masturbating in excess.
Johnny had Whacker's forearm after Jane went on vacation.
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Basically a handjob using your forearm and your bicep.
"i was getting this british forearm and i splooged everywhere!"
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A huge version of the middle finger used in Southern Europe countries like France, Italy, Spain, and Portugal, Eastern Europe countries like Georgia, Russia, Belarus, Poland, Ukraine, Western Europe countries like Great Britain, Germany, and Holland, and Latin American countries like Mexico, Guatemala, and Brazil. It means "Fuck off" in those countries and usually results in fights or worse.
"This guy gave me a kick in the ass because I accidentally gave his wife the Forearm Jerk."
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When something that is so incredibly stupid happens that the use of a facepalm is not enough to show the underlying emotion; burying your head in shame.
P1: I just said mutant...
P2: What's a mutan?
P1: M-U-T-A-N-T
P2: OH!!! *face-forearm*
When somebody covers their head with their arm to hide the fact they've got a sevenhead
Maisie: 'he's covering his head with his arm in all his pictures, reckon he's got some sort of disease?'
Robyn: 'nah he's probably just forearm fishing because he'll have a massive beanhead'
A penis that is the same size as your forearm, erect, from bottom of shaft to tip.
Is also equal to length of your foot.
Violet: So how big is Tom's dick?
Anber: He has a forearm penis!
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