I'd poop on it
You say 'I'd poop on it' to someone because you'd do anything, even poop on them, if they'd let you have sex.
My little brother said 'I'd poop on it' to the girl in the next class. She rolled her eyes and walked away.
I told my mom 'I'd poop on it' when she asked why I was so distracted. She said I was acting like a fool.
He said 'I'd poop on it' when he saw the teacher's girlfriend. She just smiled and said 'I'd poop on you back.'
xs