by Brownbottom Cupcake May 4, 2009

the act of sex also known as "FUCKING" to the point of orgasm usually concisting of several positions , and or one or more breaks to smoke and the go again until the point of exhaustion
hey maya did u "knick knack" with justin yet?
maya: no no i didnt take my pill yet but as soon as i do i bet the knick knack will be amazing .
maya: no no i didnt take my pill yet but as soon as i do i bet the knick knack will be amazing .
by JustinMayaLu February 7, 2009

the thing you wear under your pants/skirt, not to be confused with "panties" which is a retarded american word that we have no use for. See also: underwear
by Immi_callmepnk January 2, 2009

by Eloraborealis January 22, 2023

by bird January 2, 2004

Herro buy my rick racks prease. A knick knack shack is a vendor cart owned by a person of asian decent. The person of asian decent is usually considered the "stereotypical" asian. They try and sell knick knack at all costs even if it means sabotaging the knick knack shack across the street.
"Do you want a fake Lakers hat that says Lackers on in? I saw a knick knack shack down the street go buy one there."
by theanonymousbrick March 14, 2018

An unexplained fear of a film (typically an animated one), a song, a toy, or any other object that a young child experiences when exposed to said object.
Patient: When I was a kid I was absolutely terrified of that pixar short Knick Knack but I never quite figured out why.
Psychiatrist : Sounds like you were dealing with the The Knick Knack Effect. it's more common than you think.
Psychiatrist : Sounds like you were dealing with the The Knick Knack Effect. it's more common than you think.
by Merik2008 August 29, 2021
