What is Senior 15?
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A sister phrase to the popular "Freshman 15" that refers to how fat Senior girls get due to excessive partying and beer drinking during their final year in college.
Guy #1: That Holly girl used to be hot right, what happened to her? - Guy #2: She let herself go and gained her senior 15 like a fat slob, what a shame.
See
Random Words:
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guy with a 16 inch dick.
I went to go have sex with him and he had a Zach munger.
See big, dick, huge, weiner..
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One of the most fucked up places in the Lower Mainland. Present (and future) pregnant teens, whores, harsh stoners, and dealers line the..