What is Fill 99?
1.
verb.
Coming from the historical chant "99 bottles of beer on the wall", used to describe one that has held there "urine" in ones bladder for a long period of time.
One that has to urinate (very badly).
"I gotta piss so bad, I'll be fillin' 99!"
"Stop here. I gotta fill 99."
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1.
Multi-functional expression; can be used for any occasion in a negative or positive sense.
"Let's go crazy-wild"; "..