Dried flattened pop that's been
trapped between your butt
cheeks.
A frat
boy called Crotch Waffle after the previously departed dude he reminded someone of, also named....Croth Waffle.
A sailor unfortunate enough to mention to a shipmate he was called "Croth Waffle" in college. Not to worry though, it mercifully got shortened to "Hey, Crotch!"
Also...."Uncle Wally"