Real Lowlife is a term used to describe someone who is considered to be of low moral character. SLEAZEBALL is a slang term for someone who is considered to be morally corrupt or untrustworthy, and SLEAZE is a term used to describe someone who is considered to be immoral or unscrupulous. Onecelledanimal is a term used to describe a single-celled organism, such as an amoeba or paramecium. All three terms are used to describe someone who is considered to be of low moral character.