look up any word, like smh:
 
1.
Used to describe an Object(s) of complete randomness.
(Usually used in Modern Slang)

-Noun
-Plural Jargen
I seriously got Harrisburg Joe to drop a duffle bag full of jargen on 3-mile Island.

-Bam Margera
 
2.
used to tell someone you dont understand something or someone lingo
"i dont understand all this legal jargen"
"i dont understand big bob's random jargen"
by Toby Mooch September 08, 2005