Elbow Bump 

A new greeting adopted during the Swine Flu because a fist bump involves too many germs.
Its popularity was boosted by CNN's Dr. Sanjay Gupta who used it while out reporting in Mexico.

Later, Dude. You just sneezed so you're getting an elbow bump.

Elbow Bump by @LaChilangabacha April 29, 2009

Elbow bumps

a kama sutra position where both elbows come together causing an elbow bump

"Yo, didn't you go out with Kelly last night?"

"Sure did. And when it was all over, I was giving her elbow bumps across the dresser."

Elbow bumps by JaVonni Brustow May 31, 2021