Adjective used when introducing someone to a term they are not familiar with. Used to give an explanation a more friendly tone--omitting it can be perceived as implying that the listener is slow or dense for not knowing the term already. Strictly southeastern US.
1. Hey did you see that? They gave that boy a clear lane to the basket!
Yeah, that's a whatcha-call backdoor play.
Oh yeah, I've heard of that.
2. Hey did you see that? They gave that boy a clear lane to the basket!
That's a backdoor play...
Oh yeah, smartass? I guess you think your shit don't stink, huh?