Going to frederick is a way to talk about masturbating infront of people without them having any idea what you're talking about. It derived from a kid who could not hang out with the guys because he had "to go to frederick" In reallity he had nothing better to do than stay home and wack it, hence the phrase stuck.

What did you do last night?
There was nothin on tv so i just went to frederick
yea i'm going to frederick when i get home
by Mike and Mas May 10, 2006
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