Whitest Black Person's definitions
Third wheeling for two couples, so one would be the fifth person (fifth wheel), hence the name spare tire.
Ricky and Jane went with John and Rachel to the movies on a double date. They invited David too. David politely declined, however, telling them that he didn't want to spend a perfectly good Friday night spare tiring.
by Whitest Black Person October 27, 2016
Get the spare tiringmug.