Cockroaches are small, dark insects that live in the walls and ceilings of buildings. They are often considered pests, because they can cause a lot of damage.
Parasitism is the act of using or eating other organisms to survive. Some parasites are able to live off of other organisms without them being able to survive on their own.
When something unprompted happens, it isn't planned or organized. Unprompted events can be very exciting, and they can often be more memorable.
When a bird or other animal caws, it usually means that it is angry, frustrated, or scared. cawing can be a loud, annoying sound, and it can be difficult to understand what the animal is saying.
To beflexibly is to be able to adjust to changes or new situations easily. When you areflexibly prepared, you are able to deal with whatever comes your way.
To spit is to throw something out of your mouth. When you spit, you usually throw the object very far away.
To stymie is to prevent someone from doing something. If you stymie someone's efforts, you stop them from achieving their goals.
To piss is to urinate. When you piss, you release water and urine.
To exterminate something is to kill it completely. You might exterminate a population of insects, or you might exterminate a plant.