The manmade body of water that provides access to the Pacific Ocean from the Atlantic Ocean to the Carribean Sea without necessitating a trip around Africa or through the near-impenetrable Arctic Ocean.
I don't think that there are (m)any piranhas in the Panama Canal.
Going anal and then proceeding onto oral sex with your penis.
Chris just gave Megan a panama canal.
The process of defecating between the breasts of woman, and subsequently letting the feces slide down her chest.
"I just gave her a Panama Canal."
"Did you enjoy your Panama Canal?"
A sexual act in which you bridge the gap of a womans vagina and her anus by ejaculating inbetween the two, creating almost what can be considered a canal between the two areas.
I was butt fuckin this girl right, and I pulled out and gave her a panama canal.
The area between a man's scrotum and his anus.
He got very excited when I played with his Panama Canal.