1. The feelingbrought on by paying over £1.00 ($1.90) for one litre of fuel in the UK. (Around £5.00 a gallon, or $9). Feelings similar to the US bad fuel day, only more acute.
This is a word often thrown around by Caribbean people (esp. Belizeans) when describing someone who shames someone or goes against his word to the inconvenience or detriment of someone else.
Person A: Man, look at how small that thing is.
Person B: Yea, but it is still is a hell of a lot bigger than my ex-boyfriend's dick.
Person A: BADSTYLE!
Person A: You hear how Jill badstyle Jack?
Person B: No, tell me.
Person A: She ketch belly fo his bredda, then set he up fo mek he think da fi he.
When something really unfortunate has happened.
Or
When something needs to happen asap to prevent annoyance/trouble/fighting because if it doesn't, shit's gunna go down!