Pinkie Pie didn't tell a lie about her past, she just didn't tell them what it really meant either. In this short story, Pinkie Pie's past is brought to light, all because a very curious mare was confused as to what the town party pony really meant. Twilight's need to learn has unearthed something that no pony could have ever come to expect about a certain Pink mare...
(Click image for better look at Pinkie's Scars)