Enthusiast goes round and starts to get out for lively trip (8)
I believe the answer is:
fandango
'lively trip' is the definition.
(trip can mean a dance)
'enthusiast goes round and starts to get out' is the wordplay.
'enthusiast' becomes 'fan' (fan is a kind of enthusiast).
'goes round' indicates putting letters inside.
'starts to' suggests taking the first letters.
The first letters of 'get out' is 'go'.
'fan' going around 'and' is 'fandan'.
'fandan'+'go'='FANDANGO'
'for' acts as a link.
(Other definitions for fandango that I've seen before include "Spanish 2 Down" , "Dance performed with castanets" , "Spanish Steps" , "Spanish dance -- a dong fan (anag)" , "Spanish courtship dance in triple time" .)