grandsispa

A person(s) that is your grandfather, sister, brother, and father.

Hey, today I’m going to visit my grandsispa in London.

by JaxtheBrainstorm April 10, 2019

grandspawn

grandchild, especially one of questionable origins. Comes from the tv series Angel, when the Fang Gang learns that Cordelia has been impregnated by Angel's demon-spawned son Connor.

Gunn to Angel: "Congratulations, you're going to have a grandspawn." (Season 4, episode 16)

by braxxx October 17, 2008

Grandpaspaghetti

A tiktok creator who comments under nearly every post with “grandpa lol”.

*opens up a tiktok videos comment section

Grandpaspaghetti: grandpa lol.

Person: You’re everywhere bro!

by grandpaspaghetti April 1, 2021

grandsister

When your sister marries your grandfather.

Dude your grandsister is totally hot.

by Big Man25 January 8, 2011

Grandsister/Grandbrother

When your son/daughter has a baby with your mom/dad, said baby becomes the your grand-sister/grand-brother.

Today I'm taking my Grandsister/Grandbrother to the park.

by Nullivoid December 21, 2020

Grandsister

The granddaughter of your sister.

DUDE YOUR GRANDSISTER CAN COOK? AWESOME!

by Twight0931 July 30, 2017

grandsister

Grandsister is your grandmothers sister, yeee boiiiii

Boy 1: Ohh that old hottie
Boy 2: That's my grandsister.

by tjingtjong112 May 9, 2019