A test to see if a guy and a girl are more than just friends. You hang out with them, and if you feel like a third wheel, there is something more going on.
-"Are John and Ashley dating?"
-"They claim to be 'just friends,' but I ran the third wheel test and it came out positive"
-"They claim to be 'just friends,' but I ran the third wheel test and it came out positive"
by #3'd May 26, 2010