My Parents used to smack me when I was younger If I did something wrong. Sometimes i'd get the belt or shoe too.
One time when I around 12 my mother started hitting me as I was "misbehaving" ...She was slapping me on the back and It really hurt. I don't know what came over me but I struck her back. She seemed pretty shocked and sent me to my room. After that incident she pretty much stopped hitting me. I can only remember one time after that she actually hit me.
you are 19 now OP,I suggest you start striking back.
no way would I let something like that slide if I was an Adult. Even if it was my dad who could still probably 'ave me at age 18 I would have still kicked up some massive fuss, at least verbally
by 26ish though I would have likely stuck him back, He was getting older now and I had started lifting around that age ....
I don't live with them anymore but definitely these days, I would easily win if it came to blows
I suggest you at least verbally stand up for yourself, consider physically too.
personally I am against hitting your children/kids.
There are other ways to disiplin