by GreekDutchman April 29, 2008

Crundies are undies that are crusty from dried up semen usually from masturbation ejaculating into the underwear and leaving it there to dry. Crusty+Undies=Crundies.
by ZuccGod November 19, 2018

by GreekDutchman April 29, 2008

When your little sister is has her legs and arms both in the sleeves of her hoodie and running around the house dancing like in the "wow you can really dance" tiktok dance/challenge
by Norris nuts fan July 09, 2021

by DawnishPastie September 29, 2021
