1 definition by tiler222

An eponym: the SI unit for measuring penis (1 Logan= pi inches of penis). The original Logan was a member of the Harvard Glee Club sometime in the mid-90s.
The average erect male penis measures 2 Logans in length and 1/2 Logan in diameter.

I am soft-packing for that coveted 3-Logan look.

by tiler222 May 12, 2006
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