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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

Words related to Knicker Grease

grease knickers pants sex snail trail