Green’s Dictionary of Slang

(US) a particularly small penis; thus the man who has one.

1959		W. Jacobs This Violent Land 43: At school they called Bowie ‘Beanstalk, shadow, needledick’.
1969		L. Woiwode in New Amer. Rev. 7 90: He was [...] poorly endowed, and had picked up the nickname of ‘Needledick, the canary raper.’ .
1977		J. Sayles Union Dues (1978) 20: Hey, Needledick, checked anybody’s oil lately?
1984		K. Weaver Texas Crude 44: Needledick the Bugfucker. Mock monicker for a man with undersized genitals.
2000		M. Collins Keepers of Truth 102: What the hell are you sorry for, needle dick?
2008		T. Dorsey Atomic Lobster 215: Give me that tiny needle-dick of yours.
2012		T. Robinson ‘Biggest Dick in Brooklyn’ in Dirty Words [ebook] ‘Pull your pants back up. Needledick, Bugfucker’.
2020		Twitter 2 May 🌐 Huge shout out to all the fetish motorcyclists unable to give up their Saturday morning throttle-crank as we stand here in a queue for the corner shop. Well done, you desperate needle dicks.