Do me a lemon!(redirected from do me a lemon)
Do me a lemon!
You must be joking; I can't believe this; that's nonsense. A slang phrase specific to London, England. Do me a lemon, man! No way I'm paying for tap water. You're going to fine me for spitting on the footpath? Do me a lemon!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.