A flabby upper arm that jiggles when you raise it and move it around, not unlike the arm of an overweight senior citizen who spends all her free time frantically waving her hand at the bingo table.
"Don't wave while wearing a short-sleeved shirt or people will see that you have a bad case of bingo arm."
by Kate the Grammar Vandal May 1, 2008

A person with thin flabby arms that lacks muscle resembling cooked spaghetti. They also wave their hands while in conversation.
Glen was having a heated argument with Bob over a road rage incident, Bob got upset Glen was flailing his spaghetti arms around and Bob body slammed Glen to the ground.
by Railfan22 February 11, 2023

by Fi-oh-nah August 19, 2015

by Shreksualovers December 10, 2019

by -Romeo April 12, 2015

by Why am I fat July 23, 2017

when you were born with freakishly long and hairy arms. can also be paired with freakishly long fingers also known as tentacle fingers
by Ogre Saliva August 20, 2020
