1000 things chess players with a bad sport say:

1. you cheated using a engine

2 nothing

3. bad game

4. You lucky ****!

5. man, you suck real bad

6. i'm was not even trying cheater!!!

7. complain that their opponent did not take their rematch

8.  "gg" before the game is complete.

9.  "blunder" when you've made a mistake.

10.  Offering pointers when they have the same rating as you.

11. try to bribe a opponent with memberships to random websites

12. Next time we play I'll actually try. (I've heard this one before.)

Repeatedly offering draws when they are clearly losing.

13. announce mate in 14 in the middle of the game

"Why aren't you resigning? It's +2.43!

and (in real tournaments) constantly holding out their hand at the same time...

Saying how distracted they were during the game after a loss.

18. the reason i resigned is because you suck so much that i don't want to play against you.

fug you coward.

20. "e4 is for girls"