I. poof 1 /pʊf, puːf/ BrE AmE ( also poof‧ter /ˈpʊftə, ˈpuːf- $ -ər/) noun [countable]
British English taboo informal a very offensive word for a ↑ homosexual man. Do not use this word.
II. poof 2 BrE AmE interjection
[ Date: 1800-1900 ; Origin: Natural sound ]
used when talking about something that happened suddenly:
Then poof! She was gone.