A testicle.
A nut.

Not to be confused with bahgdaddy, a bagdaddy is a testicle.

Plural: bagdaddies.
Ouch! Babe! That little kid ran right up to me and kicked my bagdaddy square to my throat.

Shiite! I racked my bagdaddies on the see-saw again!
by ButtFuzz September 6, 2006
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