The idiom "blow his or her stock" refers to someone compromising or damaging their reputation, credibility, or standing, often due to a poor decision or mistake. It suggests that the individual has squandered their potential or value in the eyes of others. This phrase is commonly used in contexts involving personal or professional relationships where trust is a key factor.
"Blow it" IS an idiom. Other idioms with similar meaning include "drop the ball" and "miss the boat."
blow a gasket, blow a fuse : pushed past some tolerance level into an angry fit.
It hits you twice, a double blow or set back.
eight mr. patatos
It means to explode with anger/vent anger. The boss really blew his stack when I told him to stick his job.
You could say they were blowing (or tooting) their own horn.
overvalued blow out
It means that he doesn't have plantains in stock or doesn't sell them.
The idiom "blow off some steam" originated from the idea of releasing pressure, similar to when excess steam is released from a steam engine to prevent an explosion. It means to release pent-up emotions or energy in order to relieve stress or tension.
A low blow is an underhanded attack. This refers to the term "below the belt," which also refers to hitting a man in the genitals. This is considered unsporting. So a low blow is an unsportsmanlike, dishonorable one. It can be a physical blow or a verbal or emotional attack.
The idiom "If you don't blow your own horn, nobody is going to blow it for you" emphasizes the importance of self-promotion and taking initiative in showcasing one's achievements. Its origin can be traced back to the early 20th century, drawing from the earlier metaphor of a "horn" as a symbol of announcement or celebration. The phrase suggests that individuals must advocate for themselves, as relying solely on others to recognize their accomplishments is unlikely to yield success.
It already has a blow off valve on it, and a rather good one.