Psithurism

Psithurism (noun): The sound of wind in the trees including the rustling of leaves.

"If you like the outdoors and long for psithurism, don't live in the city."

Batrachophagous

Batrachophagous (adj.): One who eats frogs, specifically.

"Our book Eat That Frog! doesn't actually encourage people to be batrachophagous but rather to see consuming frogs as an analogy for getting difficult tasks done."

Unclubbable

Unclubbable (adjective): A person who is not easy to interact with socially: a solitary person with whom fellowship is difficult.

This is a very easy term to remember because the word sounds like it's describing someone you can't go out to clubs with because their lack of social skills.

"Editors are an unclubbable lot -- they tend to go to social events and just mill around in the corners looking awkward."

Borborygmus

Borborygmus (noun): The rumbling sound made by gas moving through intestines.

This word is interesting more for the fact that the first two syllables actually sound like they are mimicking the sound of a rumbling stomach.  

"The borborygmus emanating from the managing editor's gut region signaled that it was well past lunch time."