The simple act of slipping into bed and rubbing your legs together to enjoy the comfy, coziness.
"How'd you sleep last night?"
"Great. I was cold, I started cricketing as soon as I got under the covers."
When you are out trying to get some action when, truth be told, you aren't suppose to be.
"If Becky found out Bob was out skunking around last night, she'd drop him in a heartbeat."