grundle gravy

The juicey goodness that runs down the grundle during anal plundering.

"Man I was hittin' Jenny so hard last night in the ass she was drippin' grundle gravy."

by Ian en retard April 3, 2007

Knickerflap Grundle Gravy

A thick, moist cream cheese like deposit, located primarily in the feminine crotch area- created by flap friction during vigorous exercise in high temp environments or in low temp environments depending on flap mass.

After an extended fast walk session, a large reservoir of Knickerflap Grundle Gravy was evident in the professional lady's yoga pants.

by Phantom187 June 3, 2023