uhh... yeah.
One insult that starts with the letter 'c' is 'carrot top'. Many people that have red hair do not like to be called a carrot top.
knave
· homely
Ard Tard
stupid suckish
Ugly, unattractive...
Are you serious? Seriously? Oh No...
Obese, ogre, oafish, etc.
Dork. Dummy. Dimwit. Doofus.
dumb. example:hey! kid your a dumb boy/girl. there you have it
intervene, improvise,insinuate,insult,interagate
investigate interview initiate inoculate insult isolate insist insult inflate isolate invite inhale insert intrude instruct instigate incinerate