Breed of female Australian horse racing attendee who, after consumtion of alcohol, becomes possibly the most obnoxious skank imaginable. By the end of any given race day, said racing trolls can be found vomiting in gutters, arguing with bouncers or generally making complete cunt's of themselves inside pubs.
"Watch out for the racing trolls at the end of the bar - they'll ride anything home."
When a man shaves his pubes so that they resemble a very thin line leading down to his sexual organs. The female counterpart is known as a landing strip.
Shelby: Hey dave, before I blow you, you're shaved right?
Dave: For the most part, but I do have a racing stripe