Green’s Dictionary of Slang

1. the penis.

1977		A. Bleasdale Who’s Been Sleeping in my Bed 69: She [...] grabbed me nudger through me trousers an’ squeezed me copper’s helmet.
2000		N. Griffiths Grits 153: Avunt seen me feet fer years, never mind me fuckin nudger.

2. (Irish) a term of abuse.

1994

(con. 1960s) G. Byrne Pictures in my Head 39: She called us names like heartscalds and nudgers and guarlyas.

3. (US) a male homosexual.

1997–2002

Alt. Eng. Dict. 🌐 nudger Homosexual.