It has many humurous meanings.
-- Semen
-- Black Mans Kryptonite
-- Stuff that goes on your ham sandwich
-- What white boys think is cool.
-- Yo man, i covered that hoe in mayonnaise.
-- Yo foo', i cant eat that whack mayonnaise shit.
-- Check out the white liquid on that there ham suckaz.
-- Hey man, check out my hardcore mayonnaise.
by Mayonnaise Tastes Like Purple November 29, 2004
Get a Mayonnaise mug for your father-in-law Bob.
Tf you looking up mayonnaise for? Have you really never heard of mayonnaise
Mayonnaise is not a fruit
by POOR AUTISMO January 24, 2019
Get a Mayonnaise mug for your dad Bob.
Something or someone who is plain and boring. Sometimes used to describe caucasian people or heterosexual people.

See also: vanilla
Sara is such a mayonnaise name.”
by Healing Smile January 01, 2019
Get a Mayonnaise mug for your brother-in-law James.
Mayonnaise.. usually white and put on a sandwich. Or other foods. IT also has a redneck definition..
Mayonnaise a lot of people here tonight....
by Grumpy Granny December 20, 2016
Get a Mayonnaise mug for your cat Yasemin.
When Brandon Buckingham squirts a whole jar of mayonnaise into Danny Mullen's face for being a narcissistic asshole.
I mayonnaised him so hard. The aftermath looked like he got jizzed on by 100 gay men.
by GaryWinthorpe22 April 09, 2021
Get a mayonnaised mug for your brother Paul.
The taste you get when you are inhaleing the plastic fumes of his plastic bong while smoking out of it
by Mayonnaise Master December 01, 2005
Get a The Mayonnaise mug for your fish Callisto.