When I'm luxuriating in a warm bath and I get a massive cold drip in the face from the overhead shower
Dogs that lick me on the mouth...my friend's dog managed to lick my tongue the other day and I nearly yakked up all over her floor while she was going "Oh, she's so loving" 
Pelvic floor exercises. They made me feel incredibly sick, tense and emotionally overwhelmed for some reason. I have stress incontinence now because I couldn't stand them 
Having my hair down in bed. It wraps around my neck and prickles me and pulls when I move...makes me want to stab somebody
When I end up (through my own slovenliness) with a pair of socks on that don't come up as high as the top of my boots, so I can feel the rim of my boot bumping into bare skin. Ugh.
People touching me lightly. It makes me shudder. I don't mind a firm handshake or hug, but when people sort of absent-mindedly trail their fingers on my arm or leg...I know it's affectionate, but it makes me want to run away
Chopping peppers. I can't cope with the difference in texture between the skin and the flesh. I grit my teeth while I chop them. Quite happy eating them though 
I am pretty certain I have undiagnosed ASD (my son's consultant and my GP agreed, but apparently there is "no diagnostic pathway for adults" in my area) which may be a factor in some of these.