A very much REAL, carnivorous blob of jelly-like substance. Mr Blobby has the ability to grow, shrink or change shape at will but generally looks like a slimy beanbag with two stick-like arms. He is extremely bad tempered and has a tendency to attack first, ask questions later. (or never) He was formed by the tears of a young girl who had recently had her heart broken. Mr Blobby popped into existence, ATE HER TORMENTOR and from that day on became INVINCIBLE!
WATCH OUT MR BLOBBY IS COMING TO EAT YOU! OM NOM NOM!
by Loren P September 20, 2013
A Mr Blobby is where you have sex with a girl who is on her period , and or make her bleed then cum in her and the resulting misxture of blood and semen is your mr blobby

J: Did you here that i Mr blobby'd that girl last night?
P: Thats sick
by Grandad September 25, 2007

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