Haylock Hat Trick Share definition Flag The Haylock Hat Trick is defined as a male having sex with a female using all three holes within a 24 hour period (aka Anal, Vaginal & Oral). Harry pulled off a Haylock Hat Trick with the girl he picked up at the bar last night. Haylock Hat Trick by Gypsy May 26, 2022 Get the Haylock Hat Trick mug.