anything that is so fantastic it actually makes ones balls twitch.
when jim hit the lottery it was so ballstastic that he could hardly speak.
by tellitizaman October 08, 2010
1 more definition
Disappointing, having a bad time. Could be used as opposite of fantastic.
The company president is coming to the office tomorrow, work will be ballstastic.
by mzeatwzad October 17, 2011