Top Definition
"You're not funny boy": An abbreviation posted to a thread on a web-based forum when the poster knows that his mother would not approve of what was just said. Adapted from the abbreviation YMMV.
Original Poster (OP): Did you see the deal online for 10 steaks shipped free when registering for the Reading for kids program?
Second poster: Yawp. Already got the shipping confirmation for 100 steaks to my apartment.

Original poster (OP): Noiceeeee. YNFB.
by 733tp0st3r October 29, 2012

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