Generally used in intimate relationships in place of names. The names are usually thought of based on experience of the relationship.

Some people particularly dislike Pet Names, and simply wish not to referred to with one, as it may seem demeaning.

Common Pet Names include: Babe, Sweetie, Honey (or Hon’), Sweetheart, and Dear.
Jesse and Victoria have started using pet names on each other, it’s so adorable!
by BillyMcSaggyTits January 15, 2018
Get the Pet Name mug.
A name used between people who are romantically involved, usually playful and related to some personal experience or quality. Probably sounds like nonsense to anyone else hearing it.
"Hey, Marshmellow, come here" pet name being Marshmellow
by idkwattoput21 August 14, 2009
Get the pet name mug.
a really soppy way of adressing someone you are romantically attatched to.
His pet name is squishy sossige

or

I almost spewed when i heard the pet name he gave me
by indifference_is October 26, 2006
Get the pet name mug.
A pet that's imaginary to Markiplier the YouTube gamer. Also may prove that Markiplier has lost it lolz
Define A Pet Named Steve
by Flitch 292 July 30, 2016
Get the A Pet Named Steve mug.
An imaginary pet that Markiplier has used in the game Google Fued. It also shows that Mark has officially lost it lolz
I think I swallowed A Pet Named Steve
by Flitch 292 July 30, 2016
Get the A Pet Named Steve mug.
Markiplier´s ´´Pet´´ in google fued
I think i have...... A Pet Named Steve *laughing*
by JohnLaurensRoleplayer November 29, 2017
Get the A Pet Named Steve mug.