Top definition
The r-scale is much like the f-scale for tornados f1 equals weak tornado f5 equal strong. Except the r-scale is for retards. An R1 is someone with minor down syndrome or some other mild mental retardation. R5 is someone that is a vegetable. R2 to R4 are whatever is in between. then there is pretard for those people that should be deemed retarded but are not.
Example one of word pretard:
Pretard: man that guy has like 20 pounds of kilos of cocaine.

Example two of use of R-scale:
Man 1: hey that girl in the wheelchair over there...
Man 2: yeah what about her?
Man 1: ... shes a stupid R4 waist of skin
by Domfree September 11, 2008
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug