Baby Mayonnaise 

Sperm or the act of cumming.

You just ate a whole bowl of baby mayonnaise.

Baby Mayonnaise by McGoogles October 23, 2008

mayonnaise jar 

a gal who's been around eventually developing a cavernous and sperm lubed vagina from the multitudes of men she's slept with. A loose trick.

Did you hear her Nuva Ring slid right out when she was balling that nameless guy off the street? What a mayonnaise jar!

mayonnaise jar by Roundhouse Ninja Kick March 19, 2010

Mayonnaise Caps 

Used to describe very large areolas on a woman's breast.

Dude, check out the mayonnaise caps on that stripper.

Mayonnaise Caps by dkblz August 10, 2007

Mayonnaise American 

Those who partake in the mayonnaise arts aka white people.

Also shortened to mayo american

These mayonnaise Americans need to understand salt isn't a seasoning. ~ cypressbill~ (a mayo-american)

Mayonnaise American by CypressBill June 11, 2023

go full mayonnaise 

To perform sexual intercourse with an extraordinary loose (and moist) vagina, mimicking the auditory experience of penetrating a jar of mayonnaise.

Today I'll go full mayonnaise. My wife gave birth the other day.

go full mayonnaise by pete the partyhog February 8, 2019

wide mouth mayonnaise jar 

Wide mouth mayonnaise jar--The term used to describe the anus of an x-con.

The Dr. wanted to know how long I had been out when he said my asshole looked like a wide mouth mayonnaise jar!

wide mouth mayonnaise jar by vernon dutton January 21, 2004

Mayonnaise Tornado 

Jizzing into a tornado while standing safely in the eye.

Baxter found himself trapped in the eye of a tornado. With time running out and no other options, he decided to transform the regular tornado into a Mayonnaise Tornado by ejaculating into it. He forever changed the way that people look at tornadoes. Especially horny dudes.

Mayonnaise Tornado by G.T. Collins May 17, 2009