A woman who prides herself on letting you leave your semen inside of her stemming from the Scandinavian meaning of the word "lut" meaning to slip or leave in.
Karen is such an Eggslut. She's sleeping around really trying to getknocked up.
Man: So, you ready to go to Austria? Got the tickets right here!
Woman: No, i'd rather go to Croatia and i'll get there by fucking someone else.
Man: So you're being egoslutistic? Understandable, have a nice day.
When a female human is transformed into a mermaid, her lower half is replaced with a fin, leaving no place for a vagina. This process results in only an eggslot in which mermaid eggs are birthed out of.