joe dog

a pimp for Howie's prostitutes

Joe Dog ain't happy. You owe us.
You can't take a ride on a carnival cruise and only pay for a tugboat.

Tugboat

Tug as in rub and tug.

Hooker: You can’t take a ride on a carnival cruise and only pay for a tugboat.
Howie: I don’t know any joe dog or tugboat. We can end it right here.