1 definition by Rosaliiie

Top Definition
To throw up/vomit/be sick.

Often but not specifically after consuming large quantities of alcohol.
i.]
Person at a party:

*downs an alcoholic beverage then lurches forward with their hand over their mouth*

Everyone else in the vacinity:

"DON'T BERTIE! DON'T BERTIE!"

ii.]
Person talking about a party:
"...and he drank half a bottle of straight gin, then bertied in a flowerpot."

iii.]
Person who feels sick:
"Eurghh i think i'm gonna bertie."
by Rosaliiie May 07, 2009

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