What is Grungina?
1.
A Grungina is a vagina-like fold of skin that appears on Grun (or
Grungina is a well-documented medical condition, and is not to be sneered at. Please take it seriously, as one day, you could be a victim.
Shit Grune, you've got Grungina Elbow again!
Grune, your ass crack's making a right Grungina!
How the fuck have you managed to get grungina in the back of your neck?!
See