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1. Informal or slang term meaning insane, strange, eccentric or stupid
   "it used to drive my husband crackers";
   - balmy [archaic, slang], barmy [slang], bats [slang], batty [slang], bonkers [slang], buggy [N. Amer, slang], cracked [slang], daft [Brit, slang], dotty [slang], fruity [slang], haywire [slang], kooky [slang], kookie [slang], loco [slang], loony [slang], loopy [slang], nuts [slang], nutty [slang], round the bend [slang], around the bend [slang], wacky [slang], whacky [slang], doolally [Brit, slang], dippy [slang], daffy [slang], nutsy [N. Amer, slang], potty [Brit, slang], daft as a brush [Brit, slang], round the twist [Brit, slang], wacko [slang], dumbass [N. Amer, slang], bughouse [N. Amer, slang], cuckoo [slang], mental [slang], barking mad [Brit, slang], barking [Brit, slang]

1. A thin crisp wafer made of flour and water with or without leavening and shortening; unsweetened or semisweet
    
2. [US, informal] A poor White person in the southern United States
   - redneck [N. Amer, informal]
    
3. A programmer who cracks (gains unauthorized access to) computers, typically to do malicious things
   "crackers are often mistakenly called hackers"
    
4. Firework consisting of a small explosive charge and fuse in a heavy paper casing
   - firecracker, banger [Brit, informal]
    
5. A party favour consisting of a paper roll (usually containing candy or a small favour) that pops when pulled at both ends
   - snapper, cracker bonbon
    
6. [Brit, informal] An outstanding example of its kind
   - beauty, beaut [informal], knockout [informal], lulu [informal], killer [informal], blinder [Brit, informal]

See also: insane

Type of: bread, breadstuff, coder, computer programmer, developer, example, exemplar, favor [US], favour [Brit, Cdn], firework, good example, model, party favor [US], party favour [Brit, Cdn], programer [US], programmer, pyrotechnic, rustic, software developer, software engineer, staff of life

Encyclopedia: Crackers