Used to imply a person is gullible.

Taken from a scene in The Simpsons where a tough tells three nerds he is the Wallet Inspector and they hand over their wallets unthinkingly.
Boris Johnson: I'll get a good deal for workers.
Caroline Flint, Labour MP: Okay. I'll vote for it!
Everyone: Caroline's meeting with the Wallet Inspector is going well.
by Corbyn Ate My Hamster October 19, 2019
Get the Wallet inspector mug.