What does bowl cobra mean?

bowl cobra meaning in Urban Dictionary

a turd that coils it self round the toilet bowl, resurfaces from the liquid and comes home to "bite you inside butt"; also referred to as a plumber's nightmare, this wide range of fecal matter will leave the donor several pounds lighter after depositing it. Must certanly be one continous coil of feces to qualify... no floaters and must break the top of water like a cobra out from the basket... no regular bathroom snake