From waving back at someone by mistake to tripping on the pavement, everyone will have shared an awkward moment with a complete stranger at some point.
While these embarrassing situations are, well, embarrassing, at least they often make for funny stories afterwards.
Here are some of the most excruciatingly awkward stories people have shared on Reddit.
Staircase of doom.
Best in show.
Remember your first time?
A run-in you won't forget.
Total power move.
Definitely not lovin' it.