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1.
"rat child" is used as an insult to a person who is someone who you do not like or has annoyed you. They are often a social outcast and a scum of the universe. They are often younger than yourself and likely to have been born because of an accident.
Tom is such a rat child, he pissed all over my chips.
by Fossy239 September 13, 2006
 
2.
A teeneage girl that takes the appearance of a prepubecent boy.
Lacking in aesthetics, will take anything she can get.
She is an extreme whore.
She is easy.
"I met this girl last nite and fucked her in every hole, she was a mad ratchild"
by Jid November 10, 2007
 
3.
a 7 th grader that looks like a rat with his gay teeth and he shits in his pants he talks like a fag and hes a pansy
rat child shit himself again
rat child in the middle of the street
rat child with a ferrari goin 165
rat child has no feet
rat child is bloody rat child is dead meat rat cild dead in the strreet
by stefan May 22, 2004