Men have endless slang terms for their own junk. Maybe more than women do; men are obsessed with phalluses, and testicles. Who do you think is buying ball sacks for truck hitches, women?

Austin Powers is an easy go-to:

https://youtu.be/j3EnNP4jB1E

There are thousands more, I think they do that same bit in the next movie, too.

A holiday, and when erect, a happy holiday

Dick: Meatpipe, Purple headed trouser snake Facial faucet Fun stick Hole pole

Balls: Bollocks Cumsack Spunkbag “The boys”