The wierd plastic aparatus you often find stuck in your delivery pizza. This is used to prevent the box from squishing it and/or turning it to pizza mush before it gets to you.
"Awww, David always gets to play with the pizza bone...It's my turn!"
The edge of the pizza, which has no toppings, the "crust". Often left over, which most normal people simply refer to as crust, but Victor calls "bone" as in "pizza bones".
Mike said "Dude, don't put your crust back in the box, there are pieces left in there, that's gross" and Victor from then on, left his pizza bone on his plate, like civilized people do.
A)
The Crud that collects under the keys in a keyboard. Usually more severe in the keyboards of programmers and webmasters as they tend to spend a lot of time at the the computer and thus eat at their desk. Mainly affecting IBM Model M (clicly) style boards.
B)
Can also be used to gross out Non-Techie people
A)
Bill: want to go to the club?
Bob: No, I've got to clean out my board chow, keys are starting to stick.
B)
Bill: Want to go out to get a bite?
Bob: No, i am just going to have some of my board chow/
Bill: Whats' that?
Bob: The food scraps that collect in my keyboard; Want some?
Bill: *GAG* *HURL* *GAG*