Zvinonyadza mutauri kuti mbudzi yaba nyama iyo imbwa iripo.

(It's embarrassing for the speaker to proclaim that the goat has stolen meat when there is a dog who is a real carnivore) 
A blatant liar! - This proverb is used to confront or embarrass a liar...

Wamutsa chidembo ndechake

(One who wakes the skunk up should take ownership of it) 
One must face the undesirable consequences of one's actions. You made your bed, now lie in it.