Definition of balling:
(n) :
(African-American Vernacular, slang) Synonym of sexual intercourse.
(adj) :
Involving casual sexual intercourse.
(n) :
Aggregation into clumps or balls;
(n) :
The act of winding into a ball.
(n) :
The act of curling up.
(n) :
The act of wrapping something up.