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4.
A punch (or sometimes kick) where the individual swings his fist across their side to build momentum. Usually used by those who don't know shit about fistfighting, or when an opponent is being held by another. Very easily dodged.
That numbnuts came at my with his fist cocked back, and tried to roundhouse me. I straigh-armed him in the throat before he could even swing.
by Penis Christ February 03, 2005
 
1.
What Chuck Norris does to your face before you die.

"The last thing the guy saw before he died was Chuck Norris' foot inflicting a roundhouse kick to his face."
by TDiggy December 22, 2005
 
2.
1. In boxing/martial arts: any knee, elbow, forearm, foot, or hand/fist technique that connects from a relatively circular arc. The hidden "power" of the techniques is typically the hip rotation. Some styles emphasize more snap of the knee than others, but the hips generate the most stopping power from a physics equation alone. In this acceleration of rotary momentum, the technique is said to have it's greatest strength. Other joints may assist in the rotation from style to style, but generally don't due to telegraphing the technique. There are some techniques with a reverse principle in mind; even named as such (ei reverse-roundhouse kick, and otherwise known as hook kick).

2. In video games (commonly fighting game genre), the strongest of the character's kicks. (weak kick, strong kick, ROUNDHOUSE kick -- from a six-button mindset).

3. A house (residential building) without any corners.
1. The Muay Thai match was won by a roundhouse elbow to the opponent's temple.

2. The Sagat player beat the Ryu player with a roundhouse kick (third button kick).

3. You could say that Shelby lives in a roundhouse. Why? Because it's a cylinder-lighthouse.
by Berginnator August 15, 2006
 
3.
A kick swung from the side. There are three stages to a good round-house.

1) Bringing up the leg.- The kicking leg is raised with foot still flat and facing the floor.

2) The pivot.- Non kicking leg is spun so that kicking leg is forced higher and sole of foot is perpendicular to the ground.

3) Kick- kicking leg is flicked out and back again.
I round-housed that drunkard and stole his wallet.
by Kung-Fu Jesus April 16, 2004
 
5.
Roundhouse is a word created by in Eden Prairie which is the act of getting many males to circle around a female who then gives them head in order, therefore creating a roundhouse. This can also mean anything sexual.
Hey man last night me and my buds circled this girl up, she gave the best roundhouse ever.

Hey hows your girlfriend?
Shes pretty good she gives some good roundhouse.
by Sammy69 October 09, 2009
 
6.
A kick swung from the side. There are three stages to a good round-house.

1) Bringing up the leg.- The kicking leg is raised with foot still flat and facing the floor.

2) The pivot.- Non kicking leg is spun so that kicking leg is forced higher and sole of foot is perpendicular to the ground.

3) Kick- kicking leg is flicked out and back again.
I round-housed that drunkard and stole his wallet.
by Kung-Fu Jesus April 16, 2004
 
7.
a spherical house
(From American Dad)
Roger: Well, my good man, when i was little, me and my family lived in a *Roundhouse kick* ROUNDHOUSE! and we bred a donkey who we named *donkey punch* DONKEYPUNCH!
by your best idiot April 15, 2010