What is Grind Dance?
1.
When a female and/or male places there hindquarters in the general area of a male's
Scrotem
and then shakes Vigorously.
Many youths grind dance with each others boyfriends, and in return the person they grind danced withs girlfriend comes and they beat that bitch down.
See 
Random Words:
1. 
A cool way to say indubitably. In no doubt.
It was indubadubly apparent there was no way out.
See indubitably, obviously, definately..