when someone has to use tweezers to masturbate because his hands are too big in compareson to his cock so he cant get the job done.
Bob: jim has a really small cock, i think he is under 8!!
Dan:8, thats not bad what r u talking about???
Bob:8 centimeters isnt big!
Dan:oh 8 CENTIMETERS. that changes things, maby we should get him a pair of tweezers for his birthday.