A girl closely related to or one and the same as a "Cum Guzzling Gutter Slut" So ready for sex that she has a mattress strapped to her back at all times.
Rob's nickname for his girlfriend was either "Mattress Back Whore" or "Cum Guzzling Gutter Slut" though he rarely called her those names in public.
by xeno1 February 11, 2014