1.Testiclesistheformalmedicaltermforthemalereproductiveorgans.ColloquiallyinAmericanEnglish,youcanalsousetermslikeballs,nuts,ballsack,nutsack,orcojones.2.Penisistheformalmedicaltermforthemalegenitalia.InAmericanslang,youmightheartermslikecock,dick,ordongtorefertoit.3.Vaginaistheformalmedicaltermforthefemalereproductiveorgan.ColloquiallyinAmericanEnglish,termslikecunt,pussy,ortwatmaybeused.4.Breastsaretheformalmedicaltermforawoman'schest.InAmericanslang,boobs,tits,tities,melons,mammaries,hooters,orboobiesarecommonlyusedterms.5.Unfortunately,thelastpartofyourrequestseemstobecutoff.Ifyou'relookingforslangtermsrelatedtosexualityor黄色contentinEnglish,it'simportanttonotethatsuchtermscanbesensitiveandinappropriateinmanycontexts.It'sbesttouseformalandrespectfullanguagewhendiscussingsensitivetopics.