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2.
Scrotum in Belfast.
These new trunks are cuttin' the ball beg clean off me.

Daryll is actin' the ball beg.
by clarkekentyboy May 09, 2009
 
1.
norn irish slang for male genitales, also can be used to describe some one unpleasant or used when slabbering in an argument.
"mere ya wee ballbeg ye!"

"hes a wee ballbeg"

by caleb young April 21, 2008