mahogany reef
n.— «Old-time sailors with hangovers explained away their misery by saying they had been caught in a rum front, and hung up on a mahogany reef (a bar).» —“It’s no fish story: Yacht sales brisk in landlocked Yuma” by Dick Gillespie Denver Post (Colo.) Jan. 19, 1994. (source: Double-Tongued Dictionary)
Further reading
Cat hair may be something you brush off, but cat hair is also a slang term that means “money.” In the same way, cat beer isn’t alcoholic — some people use cat beer as a joking term for “milk.” And imagine walking on a...
To joner means to “bring bad luck to” or “jinx.” This term is a corruption of the name Jonah, the biblical figure who initially resisted a divine command. His presence on board a ship supposedly caused a great storm at sea...