We found 3 Reddit comments about Garfield's Insults, Put-Downs, and Slams. Here are the top ones, ranked by their Reddit score.
Maybe this book would help you?
Seems like you are trying to be insulting but still keeping things PG which is a shit idea.
How shitty does my comment make you feel? Hit upvote for not shitty, downvote for shitty, leave a comment for shitter, and report me for shittest.
This lil gem got me all the way to 7th grade
No doubt, he has this on his bookshelf.