"Try this," say the Doc., "It's an African Fellatio Frog. It gives the best head you will ever have had. Pop into the cubicle and give it a go."
Ten minutes later the man comes out with a smile from ear to ear. "I'll take it," he says, and hands over $50.
When he gets home his wife turns to him and says: "Well, did the doctor sort the problem out?"
"Yes," said the man, showing his wife the frog. "He gave me this."
"And just what am I supposed to do with that?" She whined.
"Teach it to cook, and then PISS OFF!"