To
lack foresight. To be duped into something. To unwittingly
enter into an agreement which, to the
average human, will result in an obvious negative consequence.
Shopper: ‘How much for this
apple?’
Shopkeeper: ‘
Well, normally it’s 25p however, today we are offering it at a discounted rate of 24p, if you also purchase this shiney poo sandwich for £2.
49’
Shopper ponders: ‘Sounds like a bargain…I'll have 2 please’
Shopper gets Munned.