Top Definition
Step 1 sneak up on an unsuspecting sleeping person.

Step 2 shit directly on top of their head (you want a nice round blob)

Step 3 jerk off and blow a load on to the pile of shit.

These steps will result with a rusty looking shit mound on the victim’s head causing them to look like the bishop from a chess set.
It took Janet forever to get the rusty bishop out of her hair after she fell asleep on the airplane.
by PhillyD-train March 13, 2007
3 more definitions
Similar to a rusty trombone except when performed by an alter boy on a clergyman.
When the nun smelled Billy’s breath she knew he gave the good father a rusty bishop.
by Dirty_Train March 02, 2007
Step 1 sneak up on an unsuspecting sleeping person.

Step 2 shit directly on top of their head (you want a nice round blob)

Step 3 jerk off and blow a load on to the pile of shit.

These steps will result with a rusty looking shit mound on the victim’s head causing them to look like the bishop from a chess set.

It took Janet forever to get the rusty bishop out of her hair after she fell asleep on the airplane.
by PhillyD-train March 14, 2007
While in the doggy style position, the man sticks a chess piece up the womans ass followed by his cock and his load. When the woman shits out the chess piece the shit and cum mix together causing the rusty bishop.
Carla couldn't sit down due to her ass leaking, after receiving a rusty bishop last night.
by Dirty_Train February 28, 2007

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