Define Forth Wheeling Meaning

Forth Wheel
A second third wheel. Two friends are together while two others are awkwardly there. The two together may Ben happy but the other two are annoyed and bored

My friends were together while me and my friend were third and forth wheeling
By Wenona
Forth Wheeling
when your three best friends are talking and you're sorta just there like plz help

geez i was forth wheeling today at school
By Salome