Can also be used in a conversation when you hav no idea what to say, or to break an awkward silence. Used in almost same way as meh
person1: Hiya !!
person2: Blahgen

*total silence*
person2: BLAHGEN!!
by Billie February 22, 2004
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used when exaggerating someones boring talk
She was like,... blahgen blah....
by Billie February 15, 2004
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