Dragging your bro (Male or not) to a motorsport event in which tires are burnt, cones flattened, and reputation earned.
Usually consists of Mazda MX-5 Miatas, Honda Civics, and the occasional Corolla who got lost.
"Track day bro"
"Nah not today"
*Grabs his bro*
"GET IN THE MIATA IT'S TRACK DAY BRO"