pointy (adj.)youdaoicibaDictYouDict[pointy 词源字典]
1640s, from point (n.) + -y (2). Insult pointy-head for one deemed overly intellectual, attested by 1971, was popularized, if not coined, by U.S. politician George Wallace in his 1972 presidential run.[pointy etymology, pointy origin, 英语词源]