The act of knocking on someones door before you enter their home. When no doorbell is present it is common courtesy to knock on someones door first, then allow them and greet you before you enter their home. Barging into a persons home is considered rude and disrespectful.
by BaconMastert November 21, 2016

by Dienda the turtle December 20, 2014

A glove like garment worn on one's hand and forearm, most commonly used by those visiting the Jelly Fox.
The concept was founded by an ancient Prince of Arabia (Prince Angwba) who used the knocking glove to prevent damaging his expensive jewel-laden porcelain door.
Although rarely used in modern Britain, the knocking glove has seen a surprising resurgence in recent years. Indeed some believe the glove has the potential to find a concrete place in society; it will soon become common practice and courtesy to use the knocking glove when knocking on a friend or relative's door.
The concept was founded by an ancient Prince of Arabia (Prince Angwba) who used the knocking glove to prevent damaging his expensive jewel-laden porcelain door.
Although rarely used in modern Britain, the knocking glove has seen a surprising resurgence in recent years. Indeed some believe the glove has the potential to find a concrete place in society; it will soon become common practice and courtesy to use the knocking glove when knocking on a friend or relative's door.
by The Jelly Fox October 10, 2012

Randy and Josephine had been casually hooking up for a week, but Randy put the kibosh on that arrangement when Josephine cold knocked on his door.
by akfghisfkglafgklsbv October 28, 2013

by Peko April 29, 2006

1. A phrase used to express that something will or will not happen. This expression alludes to the ages-old superstition that literally knocking on wood would ward off evil spirits.
2. To masturbate, said of males.
2. To masturbate, said of males.
(made-up scene from GTA San Andreas)
(at the beach)
Kent Paul: (ogling a hot girl come out of the water) Oi Maccer, just take a look at what just breezed out of the blue. That height, that arse, those jugs, those curves! Blimey if I'd be given the chance now I'd get to chuck my junk in that, knock on wood!
Maccer: Indeed man! Knock on wood, eh. Well alright then! *starts masturbating*
Kent Paul: No, jack-off Jimmy, not... ohh, *mumbles* fucking Northeners!
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Mark H. Proud Urban Dictionary slang author since February 2004.
(at the beach)
Kent Paul: (ogling a hot girl come out of the water) Oi Maccer, just take a look at what just breezed out of the blue. That height, that arse, those jugs, those curves! Blimey if I'd be given the chance now I'd get to chuck my junk in that, knock on wood!
Maccer: Indeed man! Knock on wood, eh. Well alright then! *starts masturbating*
Kent Paul: No, jack-off Jimmy, not... ohh, *mumbles* fucking Northeners!
----------------
Mark H. Proud Urban Dictionary slang author since February 2004.
by Mark H October 10, 2005
