YAYs General: Historical AUs, angst, BAMF! characters, hurt/comfort, rain (water on skin, wet clothes, sex in the rain), COMPETENCE!!, body modification (tattoos/piercings), glasses, magic or power reveal, possessiveness, wing!fic, humour, banter, forced proximity (arranged marriage, forced together by circumstances), dystopian AUs, apocalypse AUs, RPF (in most fandoms), reincarnation, awkwardness, pining, cleverness, age disparity (especially in student/teacher AUs), intersex characters, bi/pansexual characters.
Detailed kissing, oral fixation, intersex, voyeurism, dirty talk, masturbation, rimming, sibling incest (not parent/child), rain (water on skin, wet clothes, sex in the rain), threesomes/moresomes, body modification (tattoos/piercings), bullet proof kink: prostitution, glasses, secret sexy underwear, sex in public places, bi/pansexuality, loud sex, voice/scent/detail fetish, sex outside of the bedroom, sex toys, mutual masturbation, role play, nipple play, multiple orgasms, self-fucking with toys, edging (delayed gratification, drawing it out), being held down, possessiveness and jealousy, frottage, topping from the bottom, shower or bath sex, oral sex of all kinds, exhibitionism, first times, make-up sex, pegging, pornography, anonymous sex/glory holes, dubcon of the aliens/magic/pollen/etc made them do it kind.
NAYs Non-con, major character death (when not canonical), non-con humiliation, rape, epithets (the other man, the brunet, the younger man, etc), scat, the main pairing harming each other intentionally as dark characters, child abuse, parent/child incest, mpreg, baby and kidfic, non-canonical character death. While it's not a squick, I don't really like infidelity, particularly not in the main pairing.