Moses Arms

A common phrase used when measuring the size of arms that are below average size or lacking bone marrow. (Usually from a life long disease or lazy lifestyle) A person with said arms will never make gains.

Look at the new guy coming into the gym, he's got a long way to go with those Moses Arms.

by Dr.Gains December 20, 2016

T-Rex Arm

A symptom after getting the Covid Vaccine.

I got my covid vaccine yesterday and I cant lift my arm high. Totally have T-Rex arm

by Killrek May 11, 2021

strong arm machine

The Strong Arm Machine or SAM is a large and powerful robot from the game Jetpack Joyride that can take 3 hits from missles which it has to deflect with a arm-mounted force field. It also has some kickass music.

I have to wait another 24 hours for a chance to get a strong arm machine.

by Anime Patrol September 18, 2020

arm

used when something smells unpleasant, or gross.

"oh god, this bathroom smells like arm."

by fentboss69 August 9, 2025

Trailing Arm

When you stick your cock out the top of a convertible and it flaps in the wind

The road trip was taking too long, so Troy decided to do a Trailing Arm to entertain the boys.

by Mahurmanurmanur May 25, 2023

Bruised Arm

A phallus (penis) after sexual intercourse. (Typically used after a male loses his virginity).

Dave: Robbo, heard you had a big night last night, how's the bruised arm?
Robbo: Not too bad mate, she dusted me off with a loaf of bread after so he's held up alright.

Jack: Fuck, my bruised arm's causing a bit of grief this morning. Might toss one off to settle things down.

by CHEEF KIEF August 25, 2018

Bushwick Arms

Arms and shoulders covered in random doodle tattoos. Common among women in Bushwick, Brooklyn

That girl we just passed on the street has a ton of small tattoos everywhere! Yes, she has Bushwick arms.

by Big Brig January 30, 2025