An acronym for Laughing Out Loud In My Imagination. Used in place of lol when ur not actually laughing out loud
Person 1: Why did the chicken cross the road?
Person 2: Why?
Person 1: To get to the other side. Knock knock
Person 2: Who's there
Person 1: The chicken!
Person 2: lolimi
Lolumad? is used to condescendingly annoy an angry or frustrated person. Best used to further ignite the wrath of a pwned player or an infuriated blogger.
Blogger: What the hell, gas prices are so high, I hate this administration for being such incompetent tards.