That awkward moment when you're having a normal conversation with someone, and suddenly it dawns on you that they were lied to by someone you're closer to and you just countered what they said happened. The person's reaction usually starts with "I thought (this happened)". This is when you have to choose to backtrack on what you said to cover up someone else's lie, or throw that person under the bus.
Joe: Bob and I had so much fun on those roller coasters yesterday!

Betty: I thought Bob was at work yesterday...

Joe: Well..uh..he was! I meant the day before yesterday!

Later that day...

Bob: Joe totally reamed me out for lying about working...he knew you told a little white oops.
by Lucyluck September 12, 2012
Get the Little white oops mug.