Non-groover: Yo man. I saw you groovin so crazy tonight. How do you groove so hard? All I did was just bob my head and stand still.
Groover: You know man. I was just pre-groovin' in the lot and on the way walkin up to the show. Just gotta find the beat keep on groovin'.
when a person cant sit still,usually a tweeked out, up for days, person on meth or speed freak. Looks sort like they are doing the peepee dance and dont realize it but wear you outtalking to them.