The phrase "average punter" refers to an ordinary or typical person. It is often used to describe someone who is average in terms of their abilities, skills, or knowledge in a particular area. Full definition
The average punter is naturally prone to big - up their own team and denigrate the opposition — you just have an inclination to do the reverse. (justarsenal.com)
He is a below - average punter (10th in the standings last year, with a 42.3 - yard average), an average place - kicker. (si.com)
We reckon the average punter has seen about 28 of the films on our 100 best sci - fi movies list. (timeout.com)