Also found in: Acronyms.
An initialism of "in case you were wondering," used in text messages and online communications. A: "Yeah, I find this to be a great design for DIY capacitors, and the parts only cost about $20 total, ICYWW." B: "Thanks HamRadioGuy2009, cost was my next question!" A: "I'll be home around 8, ICYWW." B: "OK, tks"
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.