In reference to the male sex organ, the length remaining after being gripped by two hands (held one above the other, not unlike with a baseball bat). Generally measured in centimeters as the word is of Bulgarian origin; importantly this measurement can be both positive or negative.

Commonly used in Salzburg, Austria and Miami Beach, Florida.

A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.

"Evala" is expression in Bulgarian language used when praise or admire someone\something.
I am bulgarian and never heard of the above definition.