Open Porthole

When you take a dump so large and exhausting that it takes a while for your anus to fully return to full tension.
There is a danger of water getting in if you leave your porthole open

Holy f**k that was a tough one, I think I have an open porthole
I better not take a bath, I might fill up

by CaptainInnuendo August 8, 2017

Open Backpack

Meaning that you can see someone's butt crack or underwear slightly as a person is bending over similar to the zipper of a backpack being slightly open.

(Emily bends down to grab books) Me: Hey Emily you've got an open backpack
Emily: Did you notice my new Victoria's Secret thong?
Me: No I was just looking at your crack.
Emily: You're an asshole.
Me: LOL get it?

by mastablasta5000 October 21, 2011

deli is open

-Refers to the fact that a girl is looking/ accepting suitors and hook up buddies.

-Especially when in pursuit of someone specific

Megan: Holy shit Maura, he's so hot.

Maura: Is the deli is open for him?
Megan: Fuck yes

by Marm the grandmother November 29, 2016

Opening ceremony

When you have to lube a finger and put it in your ass before using it.

I have to commence an opening ceremony before I shit or it will tear me apart.

by Ophinaut October 7, 2021

Open relationship

It's simple enough, if you seal up the leaks, your relationship will be airtight again, it wont be open.

Not everything needs to be loosened in life, things fall apart that way. An open relationship is one of them.

by Solid Mantis October 7, 2020

open-cup

A design of Bra where the cup is cut away to allow the nipple/aureole area to be exposed whilst providing support the the breast, ideal for the fuller bust or for appearing to be wearing a sensible brassiere under a formal suit.

Susie loved her open-cup bra it gave her that softly erotic ' I know someting you don't feeling.'

Sammie was shy about her saggy breasts go without a bra, but her open-cup bra allowed her to 'show pokies' at the mall.

by Townsman December 30, 2014

funnel opening

When you open up a women's vagina like a funnel and finger it.

I can't wait to do the funnel opening tonight babe.

by Big Richard 114 May 11, 2017