DictionarysapGullible person
noun

sap

A foolish or easily deceived person.

The swindler treats his trusting client as an easy sap.

Etymology

Sap is shortened from saphead. The insult's imagery is not evidence for any other unrelated sap sense.

More examples

  • Do not be a sap and believe every promise.
  • He felt like a sap after falling for the trick.
  • The comedy portrays him as a well-meaning sap.

Forms

sap · saps

Similar words

dupe
Emphasizes someone who has actually been deceived.
sucker
Sucker is similarly informal and emphasizes easy exploitation.