The act of sneezing so intensely that your body shutters in pain.
This cold is giving me hell, I keep tunghulating, the pain is horrible.
I think i'm about to tunghulate, here it comes.
Essentially getting with the most hideous out of a group of potential mates. Typically used in male circles about women, calling this individual the grenade. Doing this would allow for friends to get some.
You'd really be taking one for the team man.