The Vietnamese word "hoác" is primarily used as a verb that means "to open wide." It often describes the action of opening something, especially when it comes to the mouth.
In a more figurative sense, "hoác" can also be used in expressions to convey surprise or astonishment, where one might metaphorically "open wide" in reaction to something unexpected.
While "hoác" mainly refers to the physical act of opening wide, in some contexts, it can imply a sense of eagerness or readiness to receive or accept something.
"Hoác" is a versatile word in Vietnamese that emphasizes the action of opening wide, often used in everyday situations like yawning or expressing surprise.