蹿稀

蹿稀	cuān xī	(coll.) to have diarrhea
蹿	cuān	to leap up / (coll.) to gush out; to spurt out
稀	xī	sparse; scattered / rare; uncommon / diluted; thin; watery / (bound form) sth liquid or of thin consistency (as in 绿豆稀 "sweet mung bean soup") / (bound form) totally; extremely (used with negative attributes, as in 稀糟 "utterly ruined")