A calculating device that hot chicks use to determine how big a dude's "downstairs equipment" is.
I don't need no 0%!$@#& sizemograph to figure out if I wanna have sex wif a well-hung dude --- I just tell him to "shove it in", and if it feels good having him up inside me, I simply let him go ahead and start thrusting.
by QuacksO February 25, 2019
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