by Titcanoe August 25, 2017

When you are kissing your gilfriend/boyfriend while lying down, and one arm is trapped between you, getting in the way and flapping about a bit.
by s-lar December 30, 2010

Arms that are so muscular and toned that one punch would send the recipient straight to the emergency room.
Angelo: "Hey bro, step away from my girl!"
Ricky: "Who's gonna make me?!?"
Angelo: "Don't force me to bust out the ER arms!"
Ricky: "Who's gonna make me?!?"
Angelo: "Don't force me to bust out the ER arms!"
by saycreative August 12, 2013

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 bureora hoshii October 27, 2021

when you go to sleep with your arm in a circular shape, similar to a donut. Manys' preferred sleep position, although some deem it unhealthy.
Bro, I couldn't sleep at all last night. It's like there's no position that's comfortable.
Have you tried the arm donut? It gives a pretty good sleep.
Have you tried the arm donut? It gives a pretty good sleep.
by fellownapper July 1, 2020
