sign/take the pledge

humorous

to decide that you are never going to drink alcohol again.

Why are you drinking Coke? Have you signed the pledge or something?

• on radar
• on radar screen
• on record
• on safe ground
• on schedule
• on second thought
• on second thoughts
• on shaky ground
• on short notice
• on shoulders
• on side
• on sight
• on someone's account
• on someone's agenda
• on someone's case
• on someone's coat-tails
• on someone's doorstep
• on someone's good side
• on someone's head be it
• on someone's mind
• on someone's own head be it
• on someone's radar
• on someone's radar screen
• on someone's shoulders
• on speaking terms