2. (verb) To use the exclaimation bert . Usually this is done with a hard chop to one's breastbone, repeatedly. "Berting" is often done with other nonsense words and with the front two teeth protruding out of one's mouth.
Etymology: This expression is commonly used in the more Northwestern parts of Virginia and bordering areas circa 1997.
2. I berted at them because they'd rather skateboard than play football.
Royston: At least twenty Berts, Marra.