Baby-talk for "I want a drink of water" in the Nausicaa episode of James Joyce's Ulysses:

He was but eleven months and nine days old and, though still a tiny toddler, was just beginning to lisp his first babyish words. Cissy Caffrey bent over him to tease his fat little plucks and the dainty dimple in his chin.
-- Now, baby, Cissy Caffrey said. Say out big, big. I want a drink of water.
And baby prattled after her:
-- A jink a jink a jawbo