1. A rich cake containing dried fruit and nuts and citrus peel and so on
   "Fruitcake is a traditional Christmas dessert in many countries"
    
2. [informal] A whimsically eccentric person
   "The neighbourhood fruitcake was known for his outlandish conspiracy theories";
   - crackpot [informal], crank, nut [informal], nutcase [informal], screwball [informal]
    
3. [informal] A person who is regarded as eccentric or mad
   "Everyone thought he was a fruitcake for believing in alien abductions";
   - nutter [Brit, informal], wacko [informal], whacko [informal], nutbar [N. Amer, informal], nutjob [informal], wackadoodle [N. Amer, informal], nutcake [US, informal], basket case [informal], whackjob [N. Amer, informal], wackjob [N. Amer, informal], mentalist [Brit, informal]

Derived forms: fruitcakes

See also: madman

Type of: cake, dag [Austral, NZ, informal], eccentric, flake [N. Amer, informal], geek [informal], oddball [informal]

Encyclopedia: Fruitcake