A slang term that originated in the mid-southern states, NC VA SC. Def - uncontested, with ease, without hesitation; it's typically used at the end of a statement that answers a question, and at times the term is used to convey the message that the person was doubt for asking.
Its similar to Philly's "early" and Houston's "already" but not in most cases.
We was three deep in the club last night, holding it down. Strong!
Dag, how many shots you take? Five, Strong!
Yall going to the game? Yea we going to the game! Strong. Boy, what's wrong with you?!