javelin 

The act of giving a vigorous hand job and when your partner is about to ejaculate, place a toothpick in their urethra and watch it launch like a "javelin".

Herbert made Keith javelin so hard he broke a window.

javelin by Daewoo March 31, 2008

Jamaican Javelin 

First, a girl has to be on the opposite side of the room that you are. Then you tell her to drop to her knees, facing you, and open her mouth as wide as possible, thus creating a bigger target. Next, you have to take the biggest/longest shit possible into the palm of your hand. After you have done that, you wind up, and take one step foward to create momentum. Finally you javelin your shit into the girl's mouth.

Dude, my girlfriend's mouth still smells like my shit from that Jamaican Javelin i gave her last night.

Jamaican Javelin by squoltz June 13, 2009

Spam Javelin 

Male genitalia/cock

"You f***ing spam javelin!"

Spam Javelin by Darren November 26, 2001

javelin knife

javelin knife is used in call of duty mw2 and runing around carrying a javelin and knifein people to make them feel bad about thier life.

dude you just got javelin knife while being a Try Hard.

javelin knife by MzMz ThugSh0Tz September 20, 2010

Javelin 

a term for smoking marijuana either in a joint or blunt form

"Let's go toss a javelin!"

Javelin by qt7824 October 29, 2011

Spam Javelin 

See wordcorned beef rocket/word.

Spam Javelin by Al October 13, 2003

Javelin 

A premier rocket-launcher that is designed to replace the M47 Dragon and other current AT rocket-launchers. The Javelin can also shoot down helicopters as an optional capability.

"It's no FIM-92 Stinger though. ^_~ "
-me

Javelin by Dave September 10, 2004