1st dude: Hey dude!
2nd dude: Hey dude!
1st dude: *reaches out to give the other dude a handshake*
2nd dude: Wait, its corona time.
1st dude: Oh right, let's elbump then.
When you bump your elbow with your mate's elbow. An alternative for high-fives and fist bumps when your mate's hands are full or you're sacred about Coronavirus.
The elbow of exceptionally fat persons. The elbow is bestowed with so much fat that when the arm is straight ( and in extreme circumstances when bent) that it looks like a baby's arse half way up the arm.