British term: Usually lunch or "a lunch", but sometimes a snack. Esp. Brit. Military.
I'll see you at tiffin - they're serving nimbu pani!
by d.n. citoyen February 2, 2015
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When a man has been emasculated so much he might as well be called tiffany.
Dude, Jennifer just tiffined Matt with that line.
by Lathentar April 24, 2006
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To talk with intent to a person of interest.

Classifies the stage in a relationship before it has become official. Slightly more than just talking, but less than dating. Still, neither party can deny the fact that there is a little somethin-somethin there.
Jack and Jill are both interested in each other. Though they may not both be aware of this fact, they begin talking on a more consistent basis. As friends begin to also become aware, these two are undoubtedly "tiffin' it".
May include, but isn't limited to: texting, chatting, messaging, hanging out, hooking up.

Acceptable uses:
"Steph talks to you every night, bro! I'm pretty sure you two are tiffin it!"

"Who are you tiffin it with these days?"

"Oh, its nothing serious just yet. Still a casual tiff."

"I definitely noticed the tiffage going on between you and Alex last night! Way to go!"

Originated in wyoming high school.
by getyourtiffon December 3, 2010
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Usually a total badass. Is the ultimate player. When single, she's pretty much a wild beast. But when found love, she's a true romantic. Knows how to have a good time and dominates any German Shepard. Who wouldn't wanna meet or BE a Tiffinator? She the baddest.
Did you see the Tiffinator?

Tiffinator baddest of the block.
by ujrrt52 February 7, 2012
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You doing some stupid shit or you tripping out
Bro you tiffin.
by DaddyJay-Len November 29, 2021
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An outgoing woman who will go to great extents make her friends and family happy, even if it makes her look bad. She is a calm and happy but is always lost in deep thought. A wonderful musician. She is very protective of her friends and family. Nickname:doll

Friends: fish, grey
"that's Tiffine..a friend of fish and grey."
by LacedUpDoll July 2, 2015
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