Top definition
A person that is trying to be someone that they aren't.
Mickey: You are such an Imposternator, you copy everyone.
Carl: Yeah, sorry.
by Camazing Person August 20, 2013
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