Having sex in the doggy position after taking a muddy shit, making the receiver drink your 'mocha' from the bowl.
'bitch i'm sexy me a mocha puppy'
"Did you hear about mary and zach? They broke up after zach tried to pull a Mocha Puppy while they were banging."
"I was really horny after that trip to taco bell, so after painting the toilet bowl with post taco bell shits, I pulled my girl in for a quick mocha puppy"