A cuckold of a boy; also an act mostly known for harvesting the bacterial yeast of an infected vagina, which in turn, then uses it as a condiment in between his sandwich, like cream cheese.
Bro 1: Hey man! Have you ever had a Malnaise sammich?

Bro 2: A what?

Bro 1: a Malnaise sammich! It's where you collect the fungus of a woman's infect vagina and use it in place of creamcheese! I've heard it's a much more healthier option than plain ol regular Cream cheese
by BraditoEspacito December 18, 2018
Get the Malnaise mug.