Also found in: Acronyms.
slang An abbreviation of "what (do) you mean," used in text messages and online communications to ask for clarity about something someone just said. A: "Sorry, but I can't come tonight." B: "WYM? Why not?" A: "He's just such a jerk." B: "Wait, wym? I thought you two were friends."
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.