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8.
mlp
major league pussy referring to the wimpier among us,
you cant do anything properly you absolute mlp
by Alfred James July 05, 2007
 
9.
mlp
Mindless link propagation; as this definition implies, MLP is the aimless or casual sharing of links to websites.
Anne, bored at work, sent Bob an email full of MLP.
by pwolffe October 10, 2005
 
10.
MLP
My Life Pwns.

Simple as that.
Person 1: Oh my god, my dog threw up on me last night. FML.
Person 2: Really? Because I won a million dollars yesterday. MLP.
by Shooberry April 23, 2009
 
11.
MLP
Stands for Miss Little Perfect. The most annoying girl ever known in history and portrays herself as hard to get yet has never been sexually active with a boy or close at all. She is in love with herself when no one else in this world likes her. She thinks she is beautiful and stares at herself in the mirror all day naked.
Asian: OMG Blondie, stop being such an MLP
Blondie: Sorry but that is the most disgusting thing i have heard in my entire life.
by Asian and Blondie July 10, 2008