Blowing the Christmas Bonus
/ˈbloʊɪŋ ðə ˈkrɪsməs ˈboʊnəs/ verb phrase
Definition: When you have everthing going for you, life is pretty near perfect, then you do something stupid and ruin it all.
Etymology
A metaphor derived from the traditional year-end financial reward. In a professional context, “blowing” a bonus implies squandering a hard-earned windfall on something frivolous; socially, it represents the squandering of “life capital” or a run of good fortune.
Usage
Context: Used to describe a self-inflicted disaster that occurs precisely when things are going well. It carries a tone of regret and frustration at the unnecessary nature of the mistake.
In a sentence: Everything in my life was finally on track until I decided to pick that fight with the boss; I really blew the Christmas bonus.