look up any word, like fluffer:
 
1.
To put a dip in your top lip, as oppossed to the more widely used bottom lip.
My bottom lip was tore up, so I had to turn to top shelfing it today.
by BigOBJ7 March 23, 2007
 
2.
The sport of taking off the porcelain lid of the toilet tank and pooping in the tank of the toilet, thus causing the toilet's owner many days of dirty flushing and unexplained stench.
Top-shelfing

Example 1:
"Dude, I heard you got fired last week...sorry to hear that."
"That's OK man, I top-shelfed them before I left."

Example 2:
"Damn, Jimmy your apartment stinks!"
"Did Sarah top-shelf you when you broke up with her?"
by Jimmy-Buckets May 30, 2009
 
3.
To put a dip in your top lip, as oppossed to the more widely used bottom lip.
My bottom lip was tore up, so I had to turn to top shelfing it today.
by BigOBJ7 April 02, 2007