To beat your partner with your penis during sexual activity.

A stick used to count bunches of bananas as they were loaded on banana boats. The workers were paid by the bunch.

archaic term (southern U.S.)meaning "penis"

One who whacks tallies.

a big floppy donkey dick

either a phallus or a silly fool

adj.
To slap another person with one's (flaccid) penis, shouting "Tally Ho!" before contact is made. Without the exclamation this is simply sexual assault.