Skip to main content

one foot on a banana peel and the other one out the door 

To be in a very precarious position, most commonly used when a person is in imminent danger of being fired from their job.
The way John has been fucking up at work lately, I wouldn't be surprised if he has one foot on a banana peel and the other one out the door.

licking Doorknobs is illegal on other planets 

When you lick doorknobs that are illegal on other planets, this was featured on the "One Crab's Trash" Episode on the American Cartoon Series Spongebob Squarepants by Stephen Hillenburg.
SpongeBob SquarePants - "Licking doorknobs is illegal on other planets"