put your head in the lion's mouth

put (one's) head in the lion's mouth

To subject oneself to danger or trouble. I really put my head in the lion's mouth by sneaking out of the house late at night. I think you're putting your head in the lion's mouth by driving in such torrential rain.
See also: head, mouth, put
Farlex Dictionary of Idioms.

put your ˌhead in the lion’s ˈmouth

deliberately put yourself in a dangerous or risky situation: So I put my head in the lion’s mouth and asked my boss for a pay rise.
See also: head, mouth, put
Farlex Partner Idioms Dictionary
See also:
  • put (oneself) on the line
  • put yourself on the line
  • put neck on the line
  • put your neck on the line
  • put (one's) neck on the line
  • put (oneself) at (one's) ease
  • stick (one's) neck out
  • stick neck out
  • stick one's neck out
  • stick your neck out