Weed is called a "VASODIALATOR" which means it causes blood vessels to dialate (get bigger) just like viagara. Tobacco is a "vasoconstrictor".
BudGrower Reviewed by BudGrower on . Marijuana and the Penis After ingesting Marijuana(reefer), do you gentlemen notice that your flacid penis is a bit bigger? I sure noticed that one. Everytime after I toke, my flacid penis is about double in size. But with erections, it's always the same size. Interesting. Dave :thumbsup: Rating: 5