Acronym for "talk about it later". Typically used as a verb.
"You see the game last night? Shit was SO cash."

"Yeah, can't discuss it now, though. We'll tail over tea and crumpets at my abode."
by KimDongIll December 19, 2011
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A tail is the soft white fluffy thing that presses against my belly when I am having sex with a girl in a Playboy Bunny style outfit.
Johnny McWarguy: *pulls out of a bunnygirl's vag and orgasms* Oh I'm sorry, I just cummed all over your tail.
by Johnny McWarguy April 30, 2008
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An individual who annoyingly follows someone everywhere because they have an obsession with that individual. Usually associated with socially crippled video game nerds.
Tail: Can I talk to you about video games?
Victim: Sure, just can you hold on David? I gotta go take a leak
Tail: Hey I'll follow you to the bathroom.
by DC518 December 8, 2007
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