Decorating the tree

“Decorating the tree”is a term that refers to having sex with your significant other. More specifically decorating your partners face with a white substance

Similar terms such as “deck the halls”

Me: “Hey bro, I’m gonna go decorate the tree tonight! Shes going to look like a glazed donut when I’m done with her!”

Friend: Don’t forget to deck the halls as well!”

Me:”me and my girlfriend were decorating the tree last night”

Friend “I’m guess the tree wasn’t the only thing you were decorating, huh?”