Nick name for disease Ghonoreah , comes from the noise when back in civil war where they would breakup the puss build up by banging the butt of their rifles on the penis laying on a table.
The nickname for the std gonorrhea. Named for clapping your hands around your dick to pop and drain the bubbles of puss growing inside. Makes it really painful to pee.
Tim: "Ah, it burns when I pee, it's like razor blades!"
John: "Dude, you definitely got the clap from the skank at that party"