When your having intercourse using a condom. Right when you are about to finish you pull half way out of the condom. So that when you finish the condom is still left in the women. Not realizing it when she gets up to pee the condom is still hanging from her like a tadpoles tail.
While having sex with a condom on pull your dick half way out. After you cum the condom is still left in her. When she gets up to go pee she wont know that it's hanging between her legs like a The Tadpole tail. When she pees it fall off like a tadpoles tail.