The compounding of "Be quiet" and "Shush", normally used when you really want a person to SHUT THE FUCK UP!!!!!!. For more oomph, the word "a" is put in front of it.
"BeShush damn you, your so annoyin'!"
"I said a BeShush!!!!!"
Bethushan is fucking dickhead who blackmails and cheats on people for his own advantage. If you he ever asks you out, say"NO FUCK YOU I READ IT ON THE URBAN DICTIONARY!"
Beshushka is the code name for the famous Czech alcoholic drink Becherovka. For some people Becherovka is too hard to remember so they just call it Beshushka. This drink has brought good times to many people and it is deeply revered.
When a man will search for hours to find something that is laying out in the open on a table. Items are often easily found by a women.
Man: "I have been searching for hours for keys."
Woman: "You mean the ones sitting there on the coffee table?"
Man: "Where?"
Woman: "Right there in the middle of that table."
Man: "oh, must have been Male Pattern Blindness"