Meaning of FLASH in English

A periwig. Rum flash; a fine long wig. Queer flash; a miserable weather-beaten caxon.To FLASH. To shew ostentatiously. To flash one's ivory; to laugh and shew one's teeth. Don't flash your ivory, but shut your potatoe trap, and keep your guts warm; the Devil loves hot tripes.To FLASH THE HASH. To vomit. CANT.

Slang English vocab.      Английский сленговый словарь.