A fork of Rural Dictionary
The type of flush that occurs for all toilets at Embry-Riddle Aeronautical University where a black hole opens up to swiftly evacuate all contents of the toilet upon activation of the toilet lever.
1: “Yo man, did you clog the toilet after that massive dump”
“ nope, I’ve got the riddle flush”
2: “be careful when you flush the toilet. The riddle flush might suck you in”