***Mickey Mouse***

> *adj.*
>
> : not deserving to be taken seriously : having little value or importance
>
> [M-W](http://www.merriam-webster.com/dictionary/Mickey%20Mouse) 
>
> Substandard, poorly executed or organized. Amateurish.
>
> *Who's in charge of this mickey mouse operation, anyway?*
>
> [Urban Dictionary](http://www.urbandictionary.com/define.php?term=mickey+mouse)
>
> Elkhart Lake — *A racing school is a fantasy land business that leaves no room for Mickey Mouse mechanics or Goofy actions.*
>
> [The Milwaukee Sentinel](https://news.google.com/newspapers?nid=1368&dat=19900522&id=PZZQAAAAIBAJ&sjid=uxIEAAAAIBAJ&pg=3589,6974987&hl=pt-BR)

***fly-by-night***

> : given to making a quick profit usually by shady or irresponsible acts
>
> [M-W](http://www.merriam-webster.com/dictionary/penurious)