What is Masterflashing?
1.
the act of exposing oneself to another person while mastubating in order to achieve erotic pleasure. A combination of the terms "masturbating" and "flashing". Note that this term has no relation to the rapper Grandmaster Flash.
Dude, that guy over there in the long raincoat was totally masterflashing us.
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Random Words:
1.
weird old men with awesome taste in music
our seventh period teacher, billman hilly
See hill, bill, class, period, hilly..