T-Rex arms, formallly mistakenly nine as Raptor Arms, is when you shoot a jump shot while shortening your follow through mimicking that of a T-Rex.
by StrongGotItGoingOn September 19, 2019
 Get the T-Rex Armsmug.
Get the T-Rex Armsmug. Physically weak individual, a person who wouldn’t be able to carry you if you got shot in a firefight.
by LilpumpPoopdollar April 6, 2019
 Get the T Rex Armsmug.
Get the T Rex Armsmug. by L. Oh L. October 7, 2022
 Get the T. rex armmug.
Get the T. rex armmug.