Top definition
An action, object or situation which aids/results in the easier or involuntary removal of a ladies under garments.
"I bought my bird some theatre tickets and they came with a free tub of knicker grease"

"My new aftershave is pure eau de knicker grease"
by Knicker Grease Inc. August 26, 2009
Get the mug
Get a Knicker Grease mug for your mama Sarah.