Definitions by JERALDtc

Knuckle reject 

When you attemp a fist bump, but the other person denies it.

"Hey bro, what's up?" (Attemp a fist bump) "No man, NO!" (Knuckle reject!)

Knuckle reject by JERALDtc May 21, 2013

fwump 

when you attempt a fist bump, but your friend does a high five ending up in a half fist bump, half high five.

hey man what's up? "fwump!"

fwump by JERALDtc May 20, 2013