Top definition
The unbendable arm is when you put your right arm on someone else's shoulder and without flexing, have someone push down on your arm. If done correctly, your arm won't bend...

If you happen to be brave and have a tough arm, then you can have someone hang from it, and do pull-ups if they're up for it
Yo Julie, come hang on Brandon's Unbendable Arm!

The Unbendable Arm is trippy yo!

Let's try The Unbendable Arm Tonight at my party!
by Bitsy-Boo October 03, 2010
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