A person who steals jokes and material from
people on
Twitter and tweets them as if they were their own, with no attribution, re-tweet, or credit given.
Can also be used as a verb, as in to "zachishere" someone's
joke or material; see also, "zachishered".
Wow, that girl stole my
joke without giving me credit or
re-tweeting me! What a total zachishere!
You totally got zachishered by that
guy!