mukyuu

A nonsensical catch-phrase attributed to Patchouli Knowledge of Touhou. It is the onomatopoeia of a groan combined with a sigh.

It can be used to pun out profanity, instead of saying "f*ck you", it says "muck you" (example Danbooru post #575062)

See also

• koa (phrase)
• myon (phrase)
• patchouli day