1 definition by ninedeuce

Top Definition
When your muscles are big and strong but you don't know how to use them.
"All those muscles are popcorn muscles, he's soft."
-Brandon Marshall on Joey Porter
by ninedeuce November 06, 2008

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug