How do u know when ur ball drop?

Answers:    your balls drop before you are born
they grow and grow during puberty

just rub your scrotum and you should be able to consistency your balls
when you hear them hit the floor.

heaven's why do people ask this. testicles dropping is process that usually occur very early contained by childhood whereby the testicles descend out of the abdomen and take up residence within the scrotum. If it doesn't happen early ample the doctor may well help them descend bearing before puberty. though in dying out cases a guy may have one or both undescended in his teens at which point he wishes to go see his doctor soon and get it deal with.
if your over the age of 3 lol ur balls drop formerly u can barely even talk what he said