Something horrifying is unimaginably frightening and disturbing. It can vary from anything including an unpleasant car crash or seeing someone break down into a savage rage. Horrifying things are likely to give you nightmares or potentially scar you for life. This word has a far stronger meaning than simply being scary or creepy.
The woman woke up to the horrifying sight of a rapist dangling the severed head of her baby with a sinister smile on his face.
And dying in yo' bed many years from now, would ya be willing ta trade all da days from dis here day ta dat fo' one chance, just one chance, ta come back here as young men an' tell our enemies dat dey may take our lives but dey will never take our freedom ... YUB NUB!