Top Definition
a silly person who has lost their goose, and is on the quest, with their sheeps, cow, chicken, horses, pig, mud pies, and cherry pies to find their goose
"hehehehehehhehehehe where did ma goose go" said flabbagoos
"wow my owner sure is a flabbagoos" says the farm animals
by iownalaundrybasket May 13, 2011

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