hypsiphobia 

fear of heights / high places

She doesn't like rollercoasters because she has hypsiphobia.

hypsiphobia by bum muffin July 22, 2016

hyperphobia 

A pathological fear of extremely active people or fast paced situations.

Panic caused by an auctioneer's extremely rapid speaking style may indicate a condition of hyperphobia.

hyperphobia by Sirlafsalot April 26, 2014

Hypophobia 

scared of making sudden movements because you might pee your pants

i'm scurred if i make any sudden movements i might pee muh pants, because i have Hypophobia.

Hypophobia by Tylaaaa October 30, 2007

Hypnophobia 

The fear of being hypnotized by a magician.

"My friend Moe has Hypnophobia."

Hypnophobia by anonymous March 10, 2022

Hyperphobia 

Fear of the 4th spatial dimension

1: I think Jim has Hyperphobia.

2: What the hell does that mean?
1: Fear of the 4th dimension
2: You know just adding Hyper to the front doesn't make it 4D right?

Hyperphobia by Anton.exe May 13, 2022