yup he could if he was really horny, but if he wasn't which in fact he wasn't when your 9 you don't go through puberty !
yes it is
any time. any male at any age can get an erection.
4 inches
get ZAC FISHER TO RUB IT
Yes I'm nine and I hade a 5 inch boner and to hide it I put my hand in my pocket and hold my dick.
I DONT KNOW YOU TELL ME
yes its normal
Yes it perfectly fine
yes
if your over the age of 10, no.
Because they are going through puberty and they have an erection and are wishing to hide it.
9 years old. A 9 year old on his birthday is approximately 3,288 days old.