"blivet"
/bli/vət/
noun
noun: blivet; plural noun: blivets; noun: blivit; plural noun: blivits
An item of unknown purpose, often unnecessary or useless or annoying.
"This blivet is an unnecessary endeavor."
(computing, slang) A program that has messy source code.
"This software is an absolute blivet! It's terribly optimized."
(military, slang) Anything uneccessary, confusing, or annoying. The word is seldom heard except when the speaker uses it in order to define it; hence the word is actually a joke.
"Man, our orders are blivets! I mean, they're totally pointless!"