Urine or you're in. An ambiguous word and its relation to a toilet phobia in a two-year-old.
D002675:Child, Preschool; D004328:Drive; D004532:Ego; D006801:Humans; D007223:Infant; D007804:Language Development; D008297:Male; D010553:Personality Development; D010698:Phobic Disorders; D011574:Psychoanalytic Theory