Why does Santa not have any children?
He only cums once a year.
Listen up, buttercup! The joke is that Santa only "cums" once a year. The word "cum" refers to Santa coming to town, but also references sexual ejaculate. The humor comes from the second meaning.
Anonymous
... and when he does -- it's DOWN a chimney!
Anonymous
... and when he does -- it's DOWN a chimney!