An old expression for made up nonsense. Today we'd say, "B.S.", but I think this one needs to be revived.
Something that's correct, e.g. "Is this yours?" "Yep, that's the badger!" See also British.
Dude. Do us a solid. Add your own funny phrase.
At some point in your life, someone probably told you not to eat or microwave these.
Especially when used to describe things that do not sound so innocent and commonplace, such as "garden-variety nuclear reactors."