You and Tom have hated each other since middle school, but always had this sort of flirty nature with each other, despite not liking each other, Tom would always do things like slap your ass or sit on your lap, etc.

Tom and his brother bill were hosting a party at their house where the whole school would be there. Yet as Tom walked through the crowd, he spotted you, walking up behind you and wrapping his arms around you from behind. “Hey, pretty boy..”