silly beast 

when something is not doing what its supposed to do

or

when something is not really designed to do something

1. twitter is a silly beast for writing essays

2. the old jukebox is a silly beast for reliability

3. the Tasmanian Tiger is a silly beast for surviving in the wild

silly beast by joelpj April 12, 2010

silly little bastard 

A silly little bastard is simply someone who enjoys flustering in there own silliness

“Hey Olivia your such a silly little Bastard “
Olivia - “LOL , i am being silly aren’t I .”

silly little bastard by Evangeline progandy January 2, 2018