Definition of tash in English:

tash

(also tache)

noun

informal
  • A moustache.

    • ‘Both men are beautiful, pretty boys in different ways, both with long dark hair and beards and tashes.’
    • ‘There are times when I'm behind the wheel that I wish I was wearing an Afro wig and a fake tash.’
    • ‘I could distinguish the remnants of a sesame bagel on his tash, and the sharp stench of old sweat.’
    • ‘And no, the tache definitely won't be coming back.’
    • ‘You see, we're not sporting ridiculous taches all weekend.’

Origin

Late 19th century: shortened form.

Pronunciation:

tash

/taʃ/