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!
A twitter nation that has released their 2nd fancam CHUN-LI, consists of Reputation stans, Lover stans, Red stans, Speak Now stans and more! Created on the 2nd week of September. Including celebrities like rising stars @7harrypottah7 and @thealbumera and @blindingrepp!
‘ZachImpostor Nation is one of the best twitter nations out there” - PopBase
‘ZachImpostor Nation, one of the rising nations of Twitter Swiffer history” - The Swiffer Society