A very cheap chinese electronic component typically of low quality.
Dammit this cheap ass yumcha power supply just blew up on me! This is the second one in a week!
I'm broke, guess I'll have to pick up some yumcha speakers from the dollar store.
Yumcha is a chinses resturant OR a name someone calls you when they want to eat you. It is a cute name you call someone you love dearly.
Nicole: "Roy Baybeee i love you, you yumcha!"
Nicole:"Im going to eat u :)"