A term used to describe excitment,happiness or good times - as used in the 'mighty boosh' series 3.
'oooh i did a twisty!' -Spoken in 'the moon' voice from the mighty boosh.
'Hey i got that new All Saints belt i was after!' 'Good stuff, i bet u did a twistey!'.
'Can't wait to go out tonight, I'm gonna do a massive twistey!'.