A lutefisk lesbian is a lesbian of Norwegian extraction, typically found in Minnesota or North Dakota. She is referred to as such because of their propensity to eat on holidays lutefisk, a type of jellied cod soaked in lye.
This is a swim suit consisting of full boys' shorts for a bottom and a sports bra top, designed to be minimally revealing and therefore not likely to trouble the pastor. Usually worn by the timid and the pious.
Heather went swimming in the creek while wearing a Lutheran bikini, and was roundly hooted for doing so.