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Expression used to describe something extremely revolting or disgusting.
1) Carrie had a face that could gag a maggot.
2) When Bruce farted it was enough to gag a maggot.
by Wiseman July 17, 2006
Something so repulsive, so disgusting, so putrid as to actually make a maggot gag.
The dead carcass was so smashed and revolting, that it could gag-a-maggot.
by Steve Burke February 08, 2004