Finding Humor in Life

Adjective pleasant or goodhearted
After looking at a series of upsetting photographs, research subjects who made amiable jokes about the images had more positive emotions afterward than those who laughed mockingly at the pictures.
Adjective finding something funny or entertaining
Heavyweight champion Wladimir Klitschko was a little amused at seeing the motivational trick his challenger Mariusz Wach has been using to get himself psyched up for their fight.
Noun exaggerated representation of someone for humorous effect
Johnny Depp turns the one-dimensional Mad Hatter caricature into a nuanced, if orange-coiffed, paragon tormented by the effects of mercury poisoning.
Adverb in an amusing way
comically
This poster makes it comically clear that a little comma can make a great big difference. Will we actually eat Grandma, or have a meal with her?
Noun actions that cause great irritation (or even anger)
In Life Among the Savages, Shirley Jackson's humor is snappy and her children, though messy and obstreperous, seem never to inspire in her anything worse than a fond exasperation.
Adjective extremely funny or amusing
Conan O'Brien came out guns a-blazing, including a hilarious duet playing guitar with Jack White, a stunt he has ironically trashed in the past.
Adjective expanded with air or gas
Once inflated, insert underneath a cushion. The victim upon taking a seat will force the air out the rubber flaps, which vibrate and make a vulgar blare.
Noun article of trade whose value is chiefly decorative or comic
Watermelons naturally assume the shape of the receptacle they are stored in. Unfortunately the novelty comes at double the cost of a normally shaped melon.
Verb say a witty or clever comment
The cancer was found after she had a breast reduction. "I had real big boobs and got tired of knocking over stuff. Every time I eat … Oh lord. I’d carry a Tide stick everywhere I go," she quips.
Adjective modest about or critical of oneself, esp. humorously so
“What’s Peeta’s approach? Or am I not allowed to ask?” I say. “Likable. He has a sort of self-deprecating humor naturally,” says Haymitch. “Whereas when you open your mouth, you come across more as sullen and hostile.”