Top Definition
An unusually thick penis.
I got that bitch drunk last night and gave her my fuck log in the back seat of my car.
by Baloon Knot Bill December 16, 2006
A diary containing the dates, times, and locations of all your amorous encounters.
"Hey! Get out my fucklog!" said Sylvia to Jeanette, as the latter was reading about Sylvia's cocksucking exploits behind the Dog & Trumpet.
by KHD September 01, 2004
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