Is it normal to like/create yo momma jokes?

I don't know what is wrong with me but I love Yo Momma Jokes ! -_- I don't know why but I find them amusing. It's not an obsession but yeah. I make some up too. Listen and tell me if these are funny :

Your fart stink so much the flies died.

Your ass stinks so much your butt claps to get the stink out!Your momma so ugly, she look like burnt bacon
Your Momma is so stupid when the barneys theme song came on she yelled shut that I love you sh*t up, … sh*t.
Yo momma stank so bad her ass got flies on top of it.
Your momma is so dirty mouthed when she smiled dirt came out.
Your momma's feet so big it look like a damn jug of white/brown chocolate.
Your momma so poor she asked a hobo for a dollar.
Your momma so short when she was taking a sh*t she fell through the toilet.
Yo momma's ass so big her pants said, oh man! Not again!
Yo daddy is so ugly they mistaken him for old sh*t.

Yo daddy is so stinky when he was giving a speech someone yelled out, you smell like groin! Get off the stage!Yo brother nose so ugly it looks like a damn c*ckaroach bit the tip and the nose of a pig put snot on top of it.
Your butt is so ugly your boyfriend said quit putting your ugly ass in my face. TURN AROUND!
Your so fat your mom said your fat then your daddy said your fat then your grandmomma said no I'm fat as hell!
Your dad is so old he got gray hairs coming outta his pubes!
Your Daddys breath so stinky when he yawned the wife said close your legs!
Your momma's breath stink so much when she woke up in the morning and yawned the rats screamed oh no! the horrible smell!
Your momma stink so much when she was naked the husband said get your stanky ass outta here! You smell like sh*t! Take a damn shower!
your momma is so dumb she looked down and said where my balls at?