Also found in: Acronyms.
slang An initialism of "I see what you did there," used in text messages and online communications to indicate one's appreciation for something clever or witty that someone else wrote or posted. Often written in lowercase letters. A: "What did the surfer say about the London Underground? 'Totally Tubular, dude!'" B: "Haha, ISWYDT!" A: "The only 3D-printed tool is the guy in this dumb video." B: "lol iswydt"
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.