When you gotta take a big ass dump and it hits the water in the bowl and makes the sound “kur-plunk.”..........
She heard a big “kur- plunk.” When she walked into the bathroom.
Kur-plunk *sound* *noise*
When a girl rides a guys dick while he is taking a shit.
Joe hurry up and give that bitch a kur plunk so I can take one too!