What is Simmerant?
1.
An attitude combining simmering anger on the verge of explosion with the subsequent inevitable progression of attitude into verbal explosion- hence the rant.
To be boiling beneath the surface with only the slightest skin of resistance between restraint and going postal.
After being dumped by his girlfriend for a state trooper, Todd was the picture of simmerant when he was pulled over on the way home by the very same trooper.
See