1 definition by thatboyjduck
When a person's breath is so bad you can smell it across the room; a dense, lingering cloud of vomit-inducing breath.
"Oh gross...Jason just yawned and I smelled his breath cloud."
"Aww man...that breath cloud just hit me!"
"Aww man...that breath cloud just hit me!"
by thatboyjduck January 27, 2014