May 10: wikipedant
wik-ee-ped-nt (n.)
1.
a person who is excessively concerned with looking up minor details and
rules on wikis (notably Wikipedia) or with displaying their
internet-learning, esp. when it has just been learned.
2. a person who adheres rigidly to the content of wiki pages without regard to common sense.
3. a person who is v. ostentatious or condescending when engaged in the above behavior.
Other forms: wikipedantic (adj.), wikipedantry (n., an example of wikipedantic behavior)
The wikipedant was constantly on her phone, checking and correcting our ENTIRE conversation.