যেকোনো শব্দ খুঁজুন, যেমনঃ bukkake:
 
1.
Any substance or "drug" that does not give you the desired effect.
"Man that ecstasy was totally duff gear"
লিখেছেন- Tim "Dersons" 16 de মার্চ de 2007

Words related to duff gear

deceptive dud ill missfire rubber.