Pretend to be

• Dress like for a Halloween bash
• Tibetan gazelles
• Gazelles of Tibet
• Pretend to be, as at a Halloween party
• Small Tibetan antelopes
• "You can ___ far . . . "
• ___-you-please (not tied down)
• Impersonate, in a way
• Antelopes of Tibet

Wiktionary Word definitions in Wiktionary
n. (plural of goa English)