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22.
When no one is in a car while it is driving, the result of Ghost Riding.
"Get out of the car and let Casper drive!"
by Alex Griffin April 27, 2007
 
23.
a femal that is jizzed on and is hit by ones truck.
what happend to your girlfriend? shes dead. i gave her a casper.
by ben brickwall June 15, 2009
 
24.
Usually someone who has no backbone, no knowledge and is often too "rash" on punishments. This person usually smokes alott of weed and there for has a dull social life. And also, an all round ass. Usually spends all his time on IRC servers trying to be "cool" with his sexist and twatish remarks.
"dude, why is he being such a casper"
"he must like the cock"
by JordyDropL2k9 February 22, 2009
 
25.
A ciggarete particularly an American Spirit.
let me bumb a casper off you
by shlong john December 30, 2005
 
26.
aka cyber attention seeking poster. Someone who uses any online social networking site, forum, chat room or blog as a platform to bitch about what is wrong in their daily life. Many times a casper will use this method of hiding behind a keyboard to defame another person as they lack they stones to man up in person. Ignorance is the best defense as caspers thrive for people to show sympathy to validate their shortcomings.
J: "Did you see her FB status? Does she ever have anything positive to say?"

T: "Dude.. she's a casper. You need to nix that!"
by Sir Wabbit April 27, 2009
 
27.
The phenomenom that occurs when you post an article, and it never appears on the posted server, but appears on any other news server. Most posts of this kind will never appear. Those that do appear eventually are more based on horrible propogation.
Out of 5,000 articles posted to Usenet, Casper ate twenty of them.
by speech1355 September 07, 2005
 
28.
cool, chill, awesome, sick nasty
"What? you fucked her? Thats mad Casper"

"I am so casper i am the solution to global warming"

"damn son, he mad casper"
by Eddyson November 01, 2006