一いっ杯ぱい食くわせる

expression, ichidan verb

play a trick on; cheat; deceive; dupe

Idiomatic expression meaning to trick or deceive someone, often in a cunning or clever way. The image is of making someone 'eat a cupful' of something unpleasant, i.e., being taken in.

• 彼かれは詐さ欺ぎ師しに一いっ杯ぱい食くわされた。

  He was tricked by a con artist.

• まんまと一いっ杯ぱい食くわされてしまった。

  I was completely taken in.