To put (someone) down, or show disrespect by the use of insulting language or dismissive behaviour.
Dissertation.
An insult or put-down; an expression of disrespect.
Ampelodesmos mauritanicus syn. Ampelodesmos tenax, a reedy grass used for cordage.
To ridicule or laugh someone out of a purpose, principle, etc.; laugh down; discourage or put out of countenance by laughing.
To laugh louder than, surpass in laughing.