The act of either :
A) Catching on
fire whilst receiving blumpkin
B) Receiving blumpkin whist
already on
fireor C) Someone who randomly but quickly (spontaneously) decides to give another blumpkin.
A) "Ohh this blumpkin is so good Karen!"
"WTFFF!! You just spontaneously comblumpkinned!"
B) "Oh shit my johnson's on
fire!"
"Here, a little spontaneous comblumpkin will put that right out!"
C) "Dude, my girlfriend surprised the
hell out of me yesterday for my
birthday."
"Oh really? What'd she do?"
"She spontaneously comblumpkinned me!"