The world's most lovable (Or annoying) cat! A Nyan Cat is a cat head with a strawberry poptart for a body. It floats through space whilst shooting rainbows from it's ass. Also know as the "Poptart Cat"
Guy: Hey dude, check out this awesome thing I found!
*Enters "Nyan Cat" in Youtube*
Guy: I love this!
Other Guy: OMFG THIS IS SO ANNOYING. TURN IT OFF NOW.