Top Definition
the assumption one makes that another person is a fan of a current sport, usually made during a major event in the sport
So my boss said, "who do you like in the big game?"

I had no idea who was playing or what sport he was talking about.

I hate when people make a sportsumption. I hate sports.
by Steven Herraiz July 01, 2014
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.