wet the baby's head

English edit

wet the baby's head (third-person singular simple present wets the baby's head, present participle wetting the baby's head, simple past and past participle wet the baby's head or wetted the baby's head)

(figuratively) To celebrate the birth of a baby by drinking alcohol.
- 2011, Sheila Kitzinger, Rediscovering Birth:
  He goes off to the pub with his mates to drink the time away, and after a phone call to the hospital that tells him he is now a father he 'wets the baby's head' with yet more alcohol.