girl 1: honey, i had to dump so bad but the bathroom was full and i didn't want to be embarrassed so i had to pull a flash flood dump
when you don't want others in a public restroom to hear your explosive diarrhea
"girl 1: honey, i had to dump so bad but the bathroom was full and i didn't want to be embarrassed so i had to pull a flash flood dump" What is the definition of "flash flood dump"?