Words

Proverbial - of or relating to or resembling or expressed in a proverb; "he kicked the proverbial bucket"; "the proverbial grasshopper.” Widely known and spoken of; "her proverbial lateness"; "the proverbial absentminded professor"; "your proverbial dizzy blonde."

http://en.wikipedia.org/wiki/Proverbial

Prodigal - recklessly wasteful or extravagant. Prodigal of lavish with: you are prodigal of both your toil and your talent.

http://en.wikipedia.org/wiki/Parable_of_the_Prodigal_Son

Ulterior Motive - a motive, object or aim beyond that which is avowed.

http://en.wikipedia.org/wiki/Motive_(law)

Pretentiousness - Claiming or demanding a position of distinction or merit, especially when unjustified. Making or marked by an extravagant outward show; ostentatious.