look up any word, like dirty sanchez:
 
1.
An extremely lazy person. (From Goncharov's novel, Oblomov)

Also, Oblomovism - somebody who suffrers from laziness.
Your ass is still on the couch? Damn, you just another Oblomov.
by Drake Studebake September 08, 2006
 
2.
Meaning everything, anything, nothing and something. Used when you have nothing else to say. Such as a very boring conversation:
Person 1: Hi
Person 2: Hi
(about 5 minutes later)
Person 1: Oblomov.
Person 2: ....hmmm....
by Georgie B May 15, 2004