fastpost 

When two members of an internet forum post the same or very similiar responses to a thread at the same time. The poster whose response appears first is the fasposter, and the poster whose response appears second has been fastposted.

{Original Poster @ 2:15pm posts} GWB is a great prez.
{You @ 2:22pm post} GFY
{Other member @ 2:22pm posts} Go F*ck yourself!!

You have fastposted this member.

fastpost by BillyTheKid September 19, 2008

fastposted

(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.

poster 1: Ms. Debbie is so fat
poster 2: Boy, that Ms. Debbie sure is fat
poster 1: Fastposted!!!
poster 2: I'm so ashamed.

fastposted by Boxcutta September 22, 2006