or teched



touched; slightly crazy.

Origin of tetched

1925–30; variant of touched; perhaps representing earlier tached (Middle English techyd) in the compounds (well-)tached, (evil-)tached having the (specified) quality or disposition (Middle English tach(e), tech(e) trait, spot, stain < Old French tache spot (see tachism) + -ed3)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for tetched

Historical Examples of tetched

Word Origin and History for tetched

1930, U.S. colloquial variant of touched in the sense of "slightly crazy" (see touch).

Online Etymology Dictionary, © 2010 Douglas Harper