nas·ty·gram 
(năstē-grăm′)
(năstē-grăm′)n.
Informal
Informal
A message, especially a mean-spirited one, conveying criticism or complaint.
- fortitude
- fortitudinous
- Fort-Lamy
- Fort-Lamy
- Fort Lauderdale
- Fort Lee
- Fort McMurray
- Fort Myers
- Fort Nelson
- fortnight
- fortnightly
- for/to all intents and purposes
- Fortran
- fortress
- Fort Smith
- fortuitous
- fortuitously
- fortuitousness
- fortuity
- Fortuna
- fortunate
- fortunately
- fortunateness
- fortune
- fortune cookie