parody

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A literary or artistic work that imitates the characteristic style of an author or a work for comic effect or ridicule.
• noun The genre of literature comprising such works.
• noun Something so bad as to be equivalent to intentional mockery; a travesty.
• noun Music The practice of reworking an already established composition, especially the incorporation into the Mass of material borrowed from other works, such as motets or madrigals.
• transitive verb To make a parody of. synonym: imitate.

from The Century Dictionary.

• noun Passage; passing away.
• noun A kind of literary composition in which the form and expression of grave or dignified writings are closely imitated, but are made ridiculous by the subject or method of treatment; a travesty that follows closely the form and expression of its original; specifically, a burlesque imitation of a poem, in which a trivial or humorous subject is treated in the style of a dignified or serious one: also applied to burlesque musical works.
• noun A popular maxim; a proverb. Wright.
• To turn into a parody; write a parody upon; imitate, as a poem or song, in a ludicrous or ridiculous manner.

from the GNU version of the Collaborative International Dictionary of English.

• noun A writing in which the language or sentiment of an author is mimicked; especially, a kind of literary pleasantry, in which what is written on one subject is altered, and applied to another by way of burlesque; travesty.
• noun obsolete A popular maxim, adage, or proverb.
• transitive verb To write a parody upon; to burlesque.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A work or performance that imitates another work or performance with ridicule or irony.
• verb To make a parody of something.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun humorous or satirical mimicry
• verb make a parody of
• noun a composition that imitates or misrepresents somebody's style, usually in a humorous way
• verb make a spoof of or make fun of