Plano Mom 

the mother of a child attending Plano West Senior High, rarely found East of Coit Road. Plano Moms have highlighted hair to match their daughter's, have no need for employment due to their wealthy beyond belief husbands, and spend their money keeping their body in peak condition and clothed in the most expensive clothes sold at Willowbend Mall.

usually called "MILF"s

"oh man, check out that woman. how old do you think she is?"

"man I dont know, but shes hot. she definitely looks like a Plano Mom though. check out that rack."

Plano Mom by fjvuaidsljk September 6, 2009

plant mom

mother of plants. someone who owns a significant number of plants and care for them deeply, these plants are usually kept inside to be close to their surrogate mother.

person 1: 'that person sure likes plants'
person 2:'yeh . she's a plant mom'

plant mom by iwantdeathpls May 25, 2018

Dropping a piano on your mom

The process of having 88 interracial men sequentially inserting their penises into your mom.

"Your mom is such a whore."
"No she's not."
"Yeah she is dude, I heard the local sports teams were dropping a piano on your mom last weekend."

Dropping a piano on your mom by Kim Jong Two November 24, 2022

Playing your mom’s piano 

Vaginal intercourse with someone’s mother.

“Hey Leo, I’m playing your mom’s piano right now!” “Fuck you Oliver!”

Playing your mom’s piano by anonymous April 20, 2022

Your Mom's a Plane

A witty remark used as a rebuttal when a short kid says "Look at me, I'm a plane." Indicates that the person's mom is a plane.

A kid says "Look at me, I'm a plane!" You say " Your Mom's a Plane "

Your Mom's a Plane by Snicker Tits January 22, 2009