Cracker (benchmark) definition

(1) A party favor consisting of a paper roll (usually containing candy or a small favor) that pops when pulled at both ends

(2) Firework consisting of a small explosive charge and fuse in a heavy paper casing

(3) A thin crisp wafer made of flour and water with or without leavening and shortening; unsweetened or semisweet

(4) A programmer who `cracks' (gains unauthorized access to) computers, typically to do malicious things

"Crackers are often mistakenly called hackers"

(5) A poor white person in the southern United States