conventional, uninteresting, status quo, unadventurous -- often used to describe suburban US white characteristics.
"Man, that burrito was all beans and cheese -- it was so lily white."
by Greenpoint February 11, 2006
Slang: My big fat white ass-cheeks.
You can kiss my lily whites!
by James March 06, 2004
A description of a person, object, or organization that rejects any culture other than a white, middle American one. It's often accompanied by informal segregation through the use of rules or social conventions meant to exclude or discourage minorities from joining.
The lily white housing association had absolutely no minorities living in it.
by John9999 February 20, 2012
Term used, originally by the British police with reference to the IRA, to describe terrorists with no previously known connections to terrorism.
From the Observer: "They even won over former Irish soldiers, at least five of whom are now in jail. Many of those it recruited are so-called 'lilywhites', with no previous convictions. They are hard to trace and even harder to catch. But they are deadly and effective."
by ffub July 14, 2005