Science Arms

Skinny, typically pale arms, associated with nerdy unathletic folks. also see: Science Legs Re-submitted to replace "Science Arms (Legs)" with 2 separate definitions

No way those 4 nerds can pick up that VW Bug - - those science arms couldn't push it forward if it were in neutral... let alone lift it off the ground.

by Nice501s March 4, 2023

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

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

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

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

Big arm

A strong throwing arm, especially in American football.

Dang, Mahomes got a big arm. He just threw it 60 yards!

by Marchex Dave November 17, 2019