1 definition by Mister Willsie

Top Definition
The internal clock that ticks when you are feeling horny and uncontrollably sexual.
Sarina's hornilogical clock was ticking, but Tad was tired from a long, hard day of work and wasn't in the mood. "Not right now honey. Tadsie has a little headache."
by Mister Willsie October 09, 2010

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