A tankless toilet (usually made from stainless steel but not always) that has an exceptionally powerful flush; such toilets are known to devour things likepaper towels, socks, full rolls of rollios -- items which would clog up an ordinary shitbowl.
Suicide-resistant prison combys (they are made of metal and have a lavatory on top & a seatless toilet below; almost exclusively found in jail & prison cells) are thought to have been the originator for the phrase, "aluminum thunderflush".
Hey John!
Want to see something kewl?
Come over here and look at this...{places the end of a roll of bungwipe into the toilet water, flushes}. Check out how fast this aluminum thunderflush devours a whole roll of TP!!! See, it ate the whole roll with just two flushes!!!
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."