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1.
bollocks. balls. testicles, if you want to get medical.
i've been scratching me nadgers all day in meetings.
by pete23 January 16, 2003
 
2.
Slang term for testicles . Derivation: Gonads -> nads -> nadgers. See also bollocks
Ouch! Cricket ball caught him right in the nadgers!
by Gurgldude June 27, 2009
 
3.
To bugger.
He nadgers goats. Watch out for him.
by SaltyDog23 January 13, 2009
 
4.
A general term for feeling unwell.
"Fred is off work because he's got the nadgers."

"Don't eat that. It will give you the nadgers."
by John North of Watford November 11, 2007