A term used to greatly annoy your friends when you are left on read on popular social media sites, such as facebook or others that indicate when the message recipient has read your message but fails to respond.
You: 2:11PM: Hey did you see that new movie yet? Want to go next week?

Friend: 2:15PM: * left on read *

You: 5:27PM: Seencucked again

Friend: 5:34PM: Seriously, dude? I was at work and apparently made the mistake of opening your message before responding. You're worse than my girlfriend!
by Androctonus November 9, 2019
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