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.
To reproach, blame; to ridicule or tease.
To ignore or killfile (a user on a bulletin board system).
A foolish or annoying person.
A reproach, gibe or taunt.
A person who twitters, i.e. chatters inanely.