Example:
Person one: I like de bowsheek do you like de bowsheek?
Person two: YEAH ITS TASTY!!! I LIKE DE SHEEK STEW! I LIKE DE SHEEKSICLES AND I LIKE DE SHEEKMUFFINS!!!! YEAAAAAAH!!!
A cuss word used in the world of bowlers, often when a spare is missed or when somebody is telling an exaggerated bowling story. Interchangeable with bullshit.
(On receipt of many rows and columns of numbers, superficially useful but using either poor data, untested formulas, unnecessary graphs, or just surplus to requirements) "Oh no! MORE bullsheet".