Bostin
adj.joyful, energeticplayful
What it means
Excellent in informal speech from the English West Midlands.
Reach for it when giving warmly local praise in a voice that authentically uses the dialect
The community choir gave a bostin performance at the summer fair.
Choose between these
5- playful
brief lively slang fits a young or sporting voice
not when Ace is dated in some communities and remains informal.
- playful
old-fashioned British enthusiasm is part of the style
not when Smashing can sound theatrical or nostalgic rather than natural.
- everyday
British informal enthusiasm suits a wider audience
not when Brilliant can praise intelligence and may feel generic.
- warm
friendly regional approval is intended without strong slang
not when Grand varies by region and can mean large or imposing.
- professional
international readers need clear neutral praise
not when Excellent removes the regional identity and warmth.
Said against
3- rubbish
- poor
- disappointing
It naturally appears in
3- bostin day
We had a bostin day repairing the community garden.
- bostin performance
The dancers gave a bostin performance despite the rain.
- bostin job
The volunteers did a bostin job on the old pavilion.
Usage notes
Bostin is strongly associated with the West Midlands. Using it outside an authentic regional voice can feel imitative.