“I want to give my boyfriend a hiding” meaning you want be freaky asf , and you want to be dicked down. Can also mean you wanna try something new in bed.
A boyfriend you live with, are business partners with and have known for approximately 10 years. You plan to buy a forever home and adopt a shiba inu or a corgi together.
It is what Dan Howell is to Phil Lester (even though Phil isn't familiar with the term.)