Oh shit, let me get The Fucking List.
(Please note that not all of these are exclusive Anime, and can be, or are sometimes prevalent, in western cartoons)
Item 1-10, covering Romantic Situations
1. Accidents that result in apparently perverted behaviour
2. Female assaulting male for unintentional perverted behaviour
3. Unnecessarily large and/or undeserved harem
4. Love interest resurrection
5. Pathetic male leads
6. Annoyingly chauvinistic male leads
7. Constant interruption of romantic acts (hugging, kissing, etc.)
8. Overly Unintelligent/ignorant/naive female lead
9. Overly aggressive female lead
10. Poor female self image about breast size (large or small)
Item 11-20, covering General
11. Overly glossy art style (personal distaste)
12. Group "falling over" reaction
13. Weakening/forgotten character over series
14. Undeservedly long series span
15. Completely expected "surprises"
16. Overpowered/underpowered characters
17. Personally dislike Giant Robot animes
18. Hairstyles/colours
19. Revealing skirt school uniform/casual clothing
20. Standing around doing absolutely jack, other than thinking or listening to someone talk
I will return tomorrow with items 21-50, for now, it is late and I must go home.
EDITED FOR EXTRA IN GENERAL**