What is 15-20?
1.
("fiff-teen twun-tee", noun)
A time period that ranges anywhere from one hour to never.
"Hey man you comin over to hang out or what?"
"Yeah, be there in like 15-20"
"Where the hell are you, its 2am!"
"Oh, I'm only 15-20 out."
"How much longer till you get here?"
"15-20."
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