Obsession: A persistent disturbing preoccupation with an often unreasonable idea or feeling. Meaning: something about which one is constantly thinking or concerned — see fixation Quotes: "Bring back dueling, I say. Drive-by sword fight." "I can't do anything else. So if this falls through, I'm screwed." (on attending the Academy Awards Ceremony) "Like going to Liberace's house on acid." "I've got construction workers in my house. Tomorrow I'm going to kill some construction workers and bury them in my back garden, just for waking me up."