(v) When two members of an internet forum post identical or very similiar responses to a thread in very rapid succession. The poster whose response appears first is the fasposter, and the poster whose response appears second has been fastposted.

The fastposter is then entitled to mock whom he or she fastposted by pointing out the fastpost.

(noun) A successful type of theft which results in an acceptable, impressive and rewarding payday for the protagonist.