I need a very short answer.

Solution:

a. grotesque distortion: deformed bend
For example: The grotesque distortion of his fate landed him in trouble.
b. wave of nausea: a rush of feeling of sickness
A wave of nausea overcame him on the rocking ship.
c. surged over: a sudden powerful forward or upward movement, especially by a crowd or by a natural force such as the tide.
A feeling of guilt surged over Ram after the theft.