1 definition by Chapman 1807

Top Definition
Used when something has been built up with huge anticipation and then fails miserably.

Used in similar context to 'tits-up'. Based on the first day failings of UK's Heathrow Terminal 5 in which the 15minute check in and security pass ended up at 19hours long!
'Dude, sex with Anna. I thought she'd be good but it was totally T5'

'The Patriots went T-5 against the Giants today'

'So the Iraq war has gone T-5'

'The only thing more T-5 than this is Hiliary Clintons Campaign'
by Chapman 1807 March 29, 2008

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