A gniddew is wedding spelled backwards. It is a celebration of a couple that is already married. However, a couple that has a gniddew is a badass couple - they don't follow the norms, they pave their own path. If you were cool, you would know that weddings are out and gniddews are in.
Did you hear that Emma and Max are having a gniddew? Gosh they are so badass.
The process of taking a shit, then solidifying it. The shit is then smashed up and frozen around your penis forming an eco friendly condom. When this "Gruddelpop" hits the warm air for the first time, it should make a popping noise, which is where the word originates.
1. Dude, I love the environment, this one chick, and I sure hate the materials of modern day condoms!
Well, why don't you make a Gruddelpop!
What a splendid idea!
2. Your sister loved how eco-friendly my Gruddelpop was.
To insert one's finger(s) into a woman's vagina to pleasure her digitally, while simultaneously having penile-vaginal intercourse with her. (From the Scottish term used to describe the catching of a fish with one's hands by tickling it on its underbelly before snatching it out of the water.)
As used in Diana Gabaldon's novel, _An Echo in the Bone_: "He pulled outthe finger (from her anus) and guddled her, light and quick, all along the slick deep parts, feeling his own cock under his fingers, big and slippery, stretching her..."