The religion of following Lord Kramer

N. any idea which sounds smart enough to make sense but is not smart enough to work. Named for the Seinfeld character and his schemes.

Jerrys' weirdo neighbour from the T.v show Seinfeld. His first name is Cosmo.

Popping in through a door or into an office cubicle so fast that the occupant therein never hears you coming and loses bodily fluids (or at least is really startled). Think of how Kramer always entered Jerry's apartment on Seinfeld.

-verb
To open a door and step into someone's house or apartment unannounced, typically with a dramatic spasm of the head, concerned look on the face and messy hair.

Someone who habitually bursts into doors unexpected. This can be at an office or at somebody's home or apartment. The intrusion causes negative attention from everybody in the room. It can disrupt conversation, ruin appetite, or cause a major cockblock.
In the tv show Seinfeld, Kramer is Jerry Seinfeld's neighbor who always opens the door to Seinfeld's apartment uninvited.

To enter a place with the exact opposite of grace. A reference to the entrances made to Jerry Seinfeld's apartment by his neighbor, Kosmo Kramer on the 90's sitcom Seinfeld