Wisehead

Full definition of wisehead

Noun

1. (obsolete, sarcastic) A person who is wise or who considers himself or herself to be wise.
• circa 1850 William_Makepeace_Thackeray, The Wolves and the Lamb, act 2,Why! Do you think I want that picture taken down: and another Mrs. Milliken? Wisehead!

Synonyms

• smart aleck
• wiseacre