a weird hose like object located above your sac used for modelling aeroplanes out of clay and jabbing folk in the face during prep because it is funny.

yo bruv have you seen the b52 stealth bomber i made with my tallywhacker.
yeah it stinks o cheese

tallywhacker by kevvy January 30, 2004

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tallywhacker

noun. An instrument or apparatus, that when used properly, can get one's tally reduced when paying for a one-night stand.

After hearing the moans of pleasure delivered by his tallywhacker, the john demanded and received a discount.

tallywhacker by bigbootyluvva March 6, 2009

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Tallywhacker

One who uses inhalants to get high.

Tallywhacker by sid August 11, 2003

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tallywhacker

The zipper that always needs to be tucked in on an official FFA jacket

"Tuck in your tallywhacker"

tallywhacker by Farmerjk June 29, 2019

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