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2.
Same as a titty fuck, except using testicles instead of mammories.
Next time, spit on my coin purse before you start ball fucking them!
by Nathan F September 15, 2007
 
1.
"The insertion of the testicles into the anus or vagina; for many people, the testicles must be tied up at their base and the scrotum must be hanging loose for this to be possible."

*credit: Men's Health Teaching Group
After exhausting every other possible position, the two decided to engage in a raunchy night of ball-fucking.
by missedtackle February 24, 2006