look up any word, like lemonparty:
 
3.
To knock somebody out
*POW* Lights out mother fucker !
by ErikTheBeast February 23, 2006
 
1.
When two balls are shot into the last remaining cup in a game of beer-pong, eliminating the chance of an opponent rebuttal
G1 "why didn't you take your rebuttal shots?"

G2 "Conner and Ipp just went lights out on us."

G1 " HaHa...you guys got fucked"
by buckkkkk April 23, 2009
 
2.
In sports, it means great performance.
"Maddux was lights out on the road, winning 8 of his last 9 decisions."
by erotica69 September 17, 2005
 
4.

1. bedtime

2. time to die
Lights out little one. Its time to go to sleep.
by Light Joker February 10, 2007
 
5.
A term usually expressed when having sex with a "dog ugly" member of the opposite sex. Could also be used when slapping uglies with a PAT. “Lights out” is normally substituted for a lack of beer goggles.
Brian had to go "lights out" when he tagged PAT.
by Woody Johnson November 22, 2006
 
6.
1) When a man ejaculates onto a person's face so their vision is blinded.

2) Choke a bitch
Shawne Merriman went lights out on Tila Tequila.

When I went lights out over this girl's face she couldn't find the handle to the bathroom.
by dodersesh September 07, 2009
 
7.
It is a time from the morning to the evening when street lights must be out because the sun shines all daytime.
"Lights out!", commanded early morning the chief of the town and a electrician switched the lights off there.
by wwvvw February 28, 2009