academic interest

an oxymoron

academic interest sounds like government efficiency

vested interest

Personal and/or monetary connection/involvement regarding an upper-torso-warmth/protection garment-manufacturing establishment.

If I worked in a job dat required Kevlar body-armor, I would sure-as-shootin' (pun not intended, but it is indeed 100% appropriate!) have a "vested interest" in da garments' manufacturer!

Interesting Bird

A hooker, a floosy woman, used to talk with friends as so the proposed bird doesnt know they are being talked about. After awhile of using the word it becomes shortened to I.B.

Pretty girl with nearly no clothing walks bye and touches you "want a massage" to your friend "she's such an Interesting Bird" or "I.B. back there"

gentlemans' special interest

porn

porn" is a very subjective term, it's "gentlemans' special interest

very interesting but stupid

Comment that often deserves to be made of much of the quackery filling our global culture. Pioneered by Arte Johnson as Wolfgang the Nazi Soldier in the comedy series "Rowan and Martin's Laugh-In" from 1968 to 1973; Wolfgang would raise his head above a parapet after some preceding act, take a cigar out of his mouth, deliver the line and grin ear to ear. Best delivered in the original thick German accent, with a pause for effect midway through.

Hmm ... astral vibrations read for ninety bucks a minute. Very interesting but stupid.

Nothing Interesting Happens

The company motto of Jagex Ltd and main design principle behind the content in their MMO game, Runescape.

Player: *use chicken*
Game: Nothing interesting happens.

Alice: Hey Bob, I heard you play Runescape. What's it like?
Bob: Well, nothing interesting happens.

economic interest of the community

The economic interest of the community is the well-being and general benefit of a community as a whole

The economic interest of the community ought to be valued above the individual right to property