Clip one
To take a shit.
Oh, man! I gotta clip one!
Clip one's rod
To clip someone's rod means to subject someone to something incredibly painful or strenuous, akin to the experience of circumcision. Often used ironically to express a teasing tone in prior statements, á la "getting one's goat" or "yanking one's chain".
To clip one's rod is to make them suffer, jokingly or not.
A one clip
A thousand dollars held together with a rubber band.
Sweet guitar. What did it cost?
Shit son, I talked him down to a one clip.
Shit son, I talked him down to a one clip.