Green’s Dictionary of Slang

Davy Crockett n.1

[proper name Davy Crockett (1786–1836), frontiersman, trapper, US Congressman and one of those who died defending the Alamo; in this context he was seen as ‘trapping’ men for the services]

(US black/Harlem) a draft board official during WWII.

[US] ‘Jiver’s Bible’ in D. Burley Orig. Hbk of Harlem Jive.