Boring, suburban white people. Specifically refers to the lack of spice or anything interesting about them.
Do you see that mayonnaise sandwich over There? His wife is jamming out to the band, but he just looks bored.
by Emmalouscarious August 28, 2018

by Dildo'n'AnalBeads November 25, 2006

by clintz the god February 18, 2004

Simple as dat. Formally used by bay area rapper "Pill Clinton", a.k.a. Mac Dre. To explain a complex situation with a short connotation, such as "thats that".
by Jah Light, Bob. December 18, 2008

To perform sexual intercourse with an extraordinary loose (and moist) vagina, mimicking the auditory experience of penetrating a jar of mayonnaise.
by pete the partyhog February 8, 2019

A term used for a swollen vagina after a hot load has been placed deep within and comes leaking out.
by KY Kid June 26, 2006

When one jizz' on a pillow and flips it to squish the jizz covered pillow on a bed like a mayonnaise sandwich.
Chris pissed me off so I fucked my girlfriend in his bed and laid a nice mayonnaise sandwich right on it.
by mayonnaise sandwich October 11, 2014
