Both tramadol and hydrocodone attach to receptors in your brain to change your perception of pain. However, tramadol also allows the chemical messengers norepinephrine and serotonin to remain available to your brain for a longer period. It is believed that this helps block pain signals in your spinal cord.
In cinematography, the Dutch angle is one of many cinematic techniques often used to portray psychological uneasiness or tension in the subject being filmed.
A Dutch oven is a slang term for lying in bed with another person and pulling the covers over the person's head while flatulating, thereby creating an unpleasant situation in an enclosed space. This is done as a prank or by accident to one's sleeping partner.