1. 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 [Brit, 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], daffy [slang], dippy [slang], doolally [Brit, slang], wacko [slang], daft as a brush [Brit, slang], potty [Brit, slang], round the twist [Brit, slang], dumbass [N. Amer, slang], nutsy [N. Amer, slang], barking mad [Brit, slang], mental [slang], barking [Brit, slang], bughouse [N. Amer, slang], cuckoo [slang]

1. A thin crisp wafer made of flour and water with or without leavening and shortening; unsweetened or semisweet
   "He spread cheese on a cracker as a snack"
    
2. Firework consisting of a small explosive charge and fuse in a heavy paper casing
   "Children lit crackers to celebrate the New Year";
   - firecracker, banger [Brit, informal]
    
3. A party favour consisting of a paper roll (usually containing candy or a small favour) that pops when pulled at both ends
   "The children pulled Christmas crackers at dinner";
   - snapper
    
4. A programmer who cracks (gains unauthorized access to) computers, typically to do malicious things
   "crackers are often mistakenly called hackers"
    
5. [US, informal] A poor White person in the southern United States
   "The term 'cracker' is often used pejoratively, but some embrace it as a badge of pride";
   - redneck [N. Amer, informal]
    
6. [Brit, informal] An outstanding example of its kind
   "That new sports car is a real cracker";
   - beauty, beaut [informal], knockout [informal], lulu [informal], killer [informal], blinder [Brit, informal]

See also: insane

Type of: bread, breadstuff, coder, computer programmer, dev [informal], 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