A natural condiment produced and controlled by the pituitary gland monthly.

Often located in the crotch gusset of a woman’s worn bloomers, this congealed delicacy can be easily mistaken for an edible breakfast spread
Mick: What’s this stuff I found in your knickers?

Susan: Michael!! Stop licking that! It’s my knicker jam!!!
by Anonymity February 15, 2020
Get the Knicker Jam mug.