Top Definition
Fat people who are ridiculously, annoyingly bubbly and happy. (What the hell are they so happy about? They're FAT.)
Kate is so heiffervescent, she was giggling and snorting when she walked into the room.

#bubbly #annoying #fat #obese #immense
by Kim372 July 14, 2006
5 Words related to heiffervescent
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