What is Ballscratcher?
1.
one who itches his little testicles in public.
David Garcia scratches his balls while talking to us.
2.
a workman who doesn't do much apart from scratch his balls
"he just stared at the job scratching his balls for an hour"
See
3.
A golf player scratching the golfball for cleaner balls... And more precise shots..
"Either he is cheating, or he's one helluva ballscratcher!!!"