1937 E. Partridge Dict. Slang 943/1 Wee-wee, a urination; esp. do a wee-wee..late C. 19–20.

1938 Life & Health Sept. 19/2 If he wants to urinate, it's, ‘Mommie, wee, wee, duty.’

1948 A. N. Keith Three came Home x. 184 Our barrack..smelled of kids, pots, and wee-wee.

1955 J. P. Donleavy Ginger Man xvi. 175 If you'll excuse me a moment, I must make wee wee.

1961 J. Stroud Touch & Go xiii. 138 He made his voice deliberately offensive: ‘He's gone to do a wee-wee.’

1969 M. Braithwaite Never sleep Three in Bed xvii. 76 Hub and I had to go wee wee, and when advised by Mother that we were to go upstairs instead of in the back yard we took the stairs two at a time to see if such a thing could be true.

1982 J. Scott Uprush of Mayhem vi. 67 When he needed a wee-wee he did it in a corner of the hut.

1964 W. & J. Breedlove Swap Clubs xv. 233 Our grandmothers, wielding butcher knives, threatened to cut off our fathers' wee-wees if they didn't stop playing with them.

1972 Screw 12 June 16/3 [The] self-righteous defender of what he thought to be his threatened wee wee, could not contain his machismo.

1930 C. Beaton Diary Dec. in Wandering Years (1961) ix. 192 Young men..hurried into the garden to wee-wee.

1944 D. Welch In Youth is Pleasure vi. 113 Orvil hated Guy... He was glad that the dog had wee-wee'd on Guy's expensive jacket.

1954 D. Abse Ash on Young Man's Sleeve 167 I suddenly rushed into the sea..and wee-weed in the water for a joke.

1960 L. Pincus Marriage ii. 110 Mrs. Robinson felt disgusted at the thought of ‘the tail’ touching her, ‘because it wee-wee'd’.

1975 ‘J. Lymington’ Spider in Bath ii. 40 Show us the way to the bar and the lady would probably like to wee-wee.