a sick ass person thats is a product of a sicker person like a person that is not sick that hangs around with a person that is sick will be come a sickling
john:dude have u seen emily shes been hanging out with jose alot
Pat:yeah shes gonna become a sickling bro
Someone who is sick / ill / under the weather. Usually used as a term of endearment.
Poor little sickling! I hope you get better soon.