when having sex, you go for at least three rounds that are at least 30 minutes long and you don't cum until the the third or later round
round one=no cum, round two=no cum, round three=cum and KNOCK-OUT
viết bởi Wizzard the Juggalo 09 Tháng mười hai, 2010
1. A very attractive woman. So named because her attractiveness is so stunning that it can (figuratively) knock you out. (make you speechless, stutter, etc.) Hence the term "knockout."
2. A punch in boxing that knocks your opponent unconscious, typically ending the match.
Guy1: Wow check her out!
Guy2: Yep, she's a knockout all right.

viết bởi GMG1 02 Tháng một, 2008
to go to sleep. mainly said in reference to a full nights rest, 7 or more hours.
hey man, i'm about to knock out. laters.
viết bởi noooooooooope 07 Tháng sáu, 2009
(Informal Noun) a person or thing that is overwhelmingly attractive.
Svetlana knew how to dress to perfectly complement her tall, athletic frame. By virtue of her bright eyes, silky long hair, and a smile that could stop a revolution, people widely regard her as a knock out.
viết bởi JigHexadecimal 26 Tháng tám, 2007
This is a girl who is beautiful with or without makeup. Most are high matinence but doesn't mean all of them will be. She has it all, beauty and brains.

Also know as: Knockout Beauty.
I like dat chick right there! She's a knockout.
viết bởi Mon-Mon 13 Tháng tám, 2007
a basketball game where one person shoots a free throw/three pointer and if he misses he must chase his ball and make any shot before the person behind him makes a shot.
I can't shoot so he beat me in knockout.
viết bởi ben renner 22 Tháng sáu, 2005
To go to sleep.
I'm so tired so I'm gonna knock out!
viết bởi Blabbermouth 23 Tháng sáu, 2014
Knockouts and Knockouts Haircuts for Men are the trade names of an American salon chain with a boxing (and mixed martial arts) /sex appeal theme targeting men. NBC's "The Today Show" and CNBC's "The Big Idea with Donny Deutsch" and other media have labeled Knockouts the Hooters of Haircutting. Knockouts employs an attractive all-female staff of licensed hair stylists and massage therapists. The services include haircuts, hair coloring, waxing, manicures, pedicures, and six types of massage therapy.
Dude, if you want a cool haircut and a FREE beer, go to Knockouts, they are the Hooters of Haircutting.
viết bởi El Jefe Viernes 20 Tháng năm, 2009

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