Just looked up PLEB in the dictionary, fascinating

1. PLEB
1)one who's inferior intelligence results in them making a complete numpty out of themselves in public

2)one who has had their brain replaced with a small cucumber whilst visiting the doctor for a routine check up

1. Numpty:
a) Someone who (sometimes unwittingly) by speech or action demonstrates a lack of knowledge or misconception of a particular subject or situation to the amusement of others.