Top Definition
Slow returning embarrassing memories/flashbacks from drinking too much the night before
"My hangover is awful and I keep getting cringe-worthy blithms. I'm so embarrassed!"

or "I've just had the worst blithm! Did I really dance on stage and snog the ugly DJ?!"

A Blithm Blithms can happen hours, days, weeks months and, in extreme cases, years after a drunken night.
by Megan Carr October 27, 2006
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