its kind of like saying "Fuck!" but cooler...
oh fuck balls It seems I've inadvertently let slip my writing implement!
What Marine Corps drill instructors say to get the recruits attention at boot camp.
*All hell breaking loose in the squadbay*
Drill instructor: 10…9…8…5…2…1!
Recruits: DONE SIR!
Drill instructor: Hey, Eye Fucking Balls! That little bitch didn’t touch the bulkhead! Run!
Recruits: AYE SIR!