Formally known as the word "deuces". Meaning; Peace out, Bye, Have a great day, I'm out of here. You hold up four fingers while doing it.

Muscle group in the legs composed of 4 different muscles. Look best when striated and HUGE (30+ inches)

The percussion insturment consisting of 4 drums, two large, two small, all smaller than a snare.

The players of these, also called tenor drums, are normally the most arrogant people in marching band.

When you're getting into a block to start marching watch out cause most quads WILL take you out. Same as bass drums
Normally have the lead drum parts, most important percussion instrument when playing street beats/cadence
Also the only percussion sections that put their harnesses under their jackets

In the game of poker, and possibly other card games, the term "Quads" means a player has four of the same card rank, or four-of-a-kind.