吃螺絲 [－－丝]

Jyutping hek3 lo4 si1
Pinyin chī luó sī

Definitions (CC-CEDICT)
  1. (of an actor, announcer etc) to stumble over words (Tw)
Definitions (Wiktionary)
  1. verb, verb-object
    to fumble one's words
    (syn.) 食螺丝, 食螺絲