Put (one's) butt on the line verb phrase rude slang
To put oneself in a dangerous or risky situation
You have just put your butt on the line when you recommend him for that job!
The stunt man put his butt in the line to hang himself on the building.
He put his butt on the line for her, but she didn't even know that.
To punish someone or something harshly
This idiom is often used to express that you should accept an unpleasant situation or event because you cannot change it.
Once something has been done, you can do nothing but face the consequences.
The verb "put" should be conjugated according to its tense.
Seem to be very suspicious or morally unacceptable
This deal stinks to high heaven. Maybe somebody was bribed.