having to hold up a man's balls while he poops or any other circumstance
Jerry: Man I got stuck on ball duty with dad last night.
Tim: Wow that really sucks.
Jerry: Yeah but at least I didn't have to wipe him this time.
by LalebCong March 11, 2016
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The act of receiving the brunt posiedon's kiss primarily with one's balls. Often a side effect of constipation
Bro #1: Dude, I ate too many bananas yesterday and this morning experienced posiedon's ball duty!
Bro #2: Was it any good?
Bro #1: Weirdly yes...
by John Dictionary January 20, 2019
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