A young biped homosapien with a rather rat shaped skull and rat fingers and other rat like limbs.
Body phyisique of a rather wide upside-down wineglass full of ejaculatory fluids.
Body odour is similar to that of a misture of diseased rattus norvegicus carcass & 30 dead skunk baby's, bathing in a 40 gallon titanium container of liquified ammonia with a hint of sulphurique acide and nuclear waste.
Rat Boy: Hey girls's wanna come chill at my crib?
girl 1: Where do you live at?
Rat Boy: In a mansion made of dried up, used toilet paper and i use contaminated hospital syringes for nails to hold 'er all together!
girl 2: *gag* wow, your one dirty little boy *winkwink*
girl 3: what do you sleep on?
Rat Boy: A very comfortable matress made by me and my friends, made of used condoms and baby diapers. All held together by my very own ejaculation glue.
girl 1: EWWWWWWW ! Your one of those *gag* RAT BOYS!!!!!! *gag* *vomit*
girl 2: *glass shattering shriek* *upchuck*
girl 3: *vomit on girl 1* *takes out pepper spray and sprays girl 2 by accident*
Rat Boy: Mmmmmmm this is gettin kinky. *chews their hair and runs away*
A young teenage criminal. Lives in the airconditioning ducts of highrise blocks and shits on the carpets of the people he burgles
My TV's gone and there's shit on my carpet, I've had a rat boy in here.
A breed of vermin which is half rat half boy. They are extremly rare in the u.k, but can be spotted in Tregaron in Wales scurrying around for nutts. The welsh translation for rat boy is DAFYDD.
"Have you seen dafydd" "you mean rat boy!"
Someone who posseses rat - like features and acts like a rat on nights out; scurrying around, stealing alcoholic drinks or dodging bar bills.
Steven: Has anybody seen Rat Boy?
Matt: No the bastard just gunned all the vod and left...
Steven: Well who's going to pay the bar bill?
Matt: Good job I have his I Phone 4 for colateral.
Steven: Ah all is well then, shall we indulge in another bottle of Grey Goose?
Matt: Indeedyo, we shall chunder like it's the end of 1999.
A slim young male with blonde hair in a spikey style.
My mate shagged a rat boy!