Vaina (en. Sheath)
/ˈbaina/
Slang Meanings
Thing or situation of no importance.
Don’t worry about that thing.
No te preocupes por esa vaina.
Complicated problem or issue.
That situation is very complicated to resolve.
Esa vaina está muy complicada de resolver.
Unexpected deal or situation.
I received an unexpected thing at work.
Me llegó una vaina inesperada en el trabajo.