A woman whose breast have grown(or created) so large she is unable to use her arms well

T-Rex sex is a loud, passionate and savage encounter.

When a really big guy has a large cock, but it looks small due to his over-all size, much like T-Rex's arms.

After working out your biceps the following day your arms become sore and unbendable causing this condition. Also referred to as "Dino Arms".

When laying in bed with someone, facing one another, it is the awkward positioning of one's interior arm (resembling the arm of a T-Rex) which often prevents two people from getting as close as possible.

Only the greatest game of all time! The game has you playing as a T-Rex that runs through a desert jumping over cactuses and dodging pterodactyls. The game's normally played by using Google Chrome without internet access, but it can also be found in other places.

Proper noun usually accompanied by hand gestures signifying small arms and a mimed a chomping motion. Denotes and objectifies the awkwardness of a prevailing situation in the form of a giant imaginary dinosaur.