throw one down
To take a giant shit; the degree of shit depends on how hard you throw it.
Rick: "Excuse me while I go throw one down!"
Randall: "Is it going to be a mighty one?"
Rick: "Like you wouldn't believe!"
Randall: "Is it going to be a mighty one?"
Rick: "Like you wouldn't believe!"
Throw one down the hallway
Verb: to have sexual relations with a woman only valued for her genitals.
"Mr. President, Monica to see you."
"Cheers mate, I'll throw one down the hallway!"
"Cheers mate, I'll throw one down the hallway!"