good-timer
nounEtymology From good time + -er.
1
Informal A person who devotes themselves to having fun; especially, a hedonist.
- Zaphod Beeblebrox, adventurer, ex-hippy, good-timer, (crook? quite possibly), manic self-publicist, terribly bad at personal relationships, often thought to be completely out to lunch.1979, Douglas Adams, The Hitchhiker's Guide to the Galaxy: