The meaning of the Acronym LIPS is...

LIPS is

• Lesbians In Plain Sight

More Meanings For LIPS:

• Lorentz Invariant Phase Space
• Lesbians In Plain Sight
• Ladies In Prayer Service
• Logical Inferences Per Second
• Linked Interval Positioning System
• Legislative Image Political Strategy
• Latinas In Power Sort
• Long Island Parrot Society
• Labour India Public School

LIPS is also in:

• Funnies
• Physics
• Schools
• Unfiled