When the penis accidently enters the butthole instead of the vagina while engaging in intercourse. Often results in extreme anus ripping and loss of sexual feelings. Side effects include trouble walking, massive diarreah, and ripped anus.
When two partners are role playing as fish usually in full dress up attire, they perform the move back to back where the male wears a strap-on backwards and has sex with the female in a twerking motion.
Jack: So I've been putting a lot of thought into it and I think Jessica and I would make a great couple!
George: Come on Jack, remember what dad always told us: "A Penguin That Prefers His Fish Cooked Waddles On A Slippery Slope." You know you have no chance with Jessica, stop obsessing over it.
whilst in sexual intercourse from behind, your partner wears a snorkel to prevent suffocation caused by you jamming their head into the pillow. One proceeds to then pull out and ejaculate into the snorkel. Thus completing the slippery fisherman
When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.