"Wham Bam Thank You Ma'am"

[Jonathon Green]

If G. Legman's rcords are presumed correct then he has a 1942 cite, thus:

1968 Legman Rationale of the Dirty Joke (1972) vol. 1 199:
A little rabbit whose method with his girlfriends is 'Wham bam, thank you,
Mam' [Calif. 1942]
(NB: The 1972 edn. is a UK paperback which splits the book in two; I can't
offer orig. pagination)

On the same page he also mentions that the phrase or variants of it is in,
but doesn't quote,

William M. Camp 'Retreat, Hell' (1943) 524
Heggen & Logan 'Mr. Roberts' [play]

plus a ref. to the 'wham-bam tagline' dated 'Fla. 1949'.

Jonathon Green