
Bust up
Emotional Weight
Often suggests sadness or difficulty around ending a close relationship or marriage.
Their decision to bust up was tough on both of them.
Casual Speak
Used in casual conversation, usually not in formal situations.
I heard that they're going to bust up soon.
Colloquial Variation
'Bust up' is less formal than 'separate' or 'divorce,' and may not imply legal action.
They're not divorcing yet, just busting up to see how things go.