熱菇 [热－]

Jyutping jit3 gu1
Pinyin rè gū

Definitions (Wiktionary)
  1. intj, Cantonese, Hong-Kong, Internet, humorous
    Interjection used when one is experiencing or approaching orgasm or ejaculation.
  2. intj
    Used other than figuratively or idiomatically: see 熱／热 (rè), 菇 (gū).