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1.
verb. when a woman cups a man's testicles while performing fellatio
Sonja was nut cupping me until I blew in her mouth.
by DirtyJerzE January 17, 2007
 
2.
The tendency of large gaming guilds to hold hands during battle in order to more profoundly zerg a smaller guild
boy B&I and KGB sure love nutcupping
by Allen1501 June 09, 2005
 
3.
Nut Cupping is what two online gaming guilds do together when they are outclassed. They call in friends because they are unable to reap what they've sewn by themselves.
KGB couldnt handle repeated attacks from LoD, so they called EB for a nut cupping victory over LoD.
by Myrik_Justiciar October 20, 2005