A set of rules governing the allocation of beds and the affairs of mating. Where a dude friend has pulled a female on a night out but has no suitable planned venue to engage sexual intercourse with said female, they may invoke this to secure a Host friend’s room and bed for the night.
Kent1: “Who is that?”
Kent2: “Oh, that’s Nat. I hereby invoke Neptune Protocol on your room. Last time I did it in your lounge I got carpet burn and dust mites.”
by JizzClown February 20, 2018
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From spongebob. Mr. Krabs uses this phrase a few times throughout the episodes in the show. Basically means “what the heck”. Also can be used in place of “wow”.
*hears loud noise*

Neptune’s trousers!!! What was that?!

Neptune’s trousers!!! That cat got really high up in that tree!!!

What the Neptune’s trousers is going on here??
by Pipperoo October 14, 2017
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Horrible, fish smelling, soupy diarrhea that results from eating too much seafood.
John Brown: "Careful Martha! If you eat all that seafood sampler you will be sprayin Neptune's Bisque out yer ass in the morning!"
Marthe: "go fuck yourself JB, you hear me? Go fuck yourself!"
by Dr. Centaur April 14, 2015
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Neptune’s Revenge is when cold water reaches a male’s genitalia as he is walking into a body of water
The man walked on his tip toes for as long as he could to avoid the icy embrace of Neptune’s Revenge
by Wangwapper August 5, 2018
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When you sit on a toilet and your penis accidentally touches the water in the bowl.
I went to do my business, sat on the toilet and got a Neptune's Embrace the water was so cold I jumped right back up.
by TellTail September 12, 2019
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Brayden Neptune is a sweet boy who loves football and is a big gamer and he will do anything to win his game. He will do anything for his family and friends and he has some downsides but is a good person.
by k;nfdalj September 26, 2020
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1. An underground porn-star credited with having the best "technique".

2. A name you tell someone if you don't want them knowing your real name.

3. The physical act of launching nuclear weapons at the planet, Neptune.
1. "Nuke Neptune fucked me so good I came 10 times in the first minute."

2. "I'm Nuke Neptune, bitch!"

3. "Y'all watch this! We goin Nuke Neptune! Yeeeehaw!"
by willyfisterbut45 April 19, 2010
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