F'shteegle Share definition Flag (noun) An attempt to perpetrate some type of grand nonsense. F'shteeglery , like a knife, is not necessarily malicious."Donald trump is a fucking f'shteegler." F'shteegle by Observant Jew June 30, 2019 0 0 Get merch Get the F'shteegle mug. Buy Now — $32.95 See more merch