Plautdietsch word of the day: be'schnertst
What it sounds like: a swallows nest
What it really means: pooped oneself (not limited to babies) to have filled your pants due to a bout of diarrhea or inadvertently due to an overly aggressive episode of flatus pressure. Similar to "be-doni" to have "done" \ finished. Also be'kracht; with a bang.
Example. Hein was on the couch watching TV and enjoying the effects of two large helpings of baked beans. Leina cautioned Hein by saying, "you better be careful or you're going to be'schnerts yourself!!
Here's a great card to let someone know just how happy you are that it's their Birthday!