Similar to the Cat Clause but the cat isn't physically on you.
For example the cat is sleeping next to you, and moving or getting up would disturb it.
"Sorry I can't get up, my cat is sleeping next to me and if I move it will stop being cute and return to being a menace"
"I can't get out of my room, my cat is sleeping in front of the door and I seem to be in a Cat Clause By Proxy"