moustachioed

/M AH1 S T AE0 SH IY0 OW0 D/
verb
  1. 1

    To adorn with a mustachio, or something that resembles a mustachio.

Source: https://en.wiktionary.org/wiki/moustachio, https://en.wiktionary.org/wiki/moustachioed, https://en.wiktionary.org/wiki/mustachio