Top definition
When a really fucked up Canadian guy, perhaps he might go by the name of Mo or Dan wants to tit fuck his date by mashing his member between them. If he is hungry afterwards he may decide to eat some sausage with mashed potatoes.
Andy (he could also be called Andy) couldn't find his condom so he went for knockers and mash.
by Uncle PP December 06, 2017
Get the mug
Get a Knockers and Mash mug for your cat Julia.