The term refers to evangelism on Twitter. Could also be used to describe the use of social media for promotional purposes.
Person 1 - Now that's twittevangelism at its finest.
Person 2 - Yeah, who would think that a Christian could limit their words to 140 characters or less?
Person 1 - Not me, bro. A concise Christian, now that's unheard of!
slip of the tongue perhaps,
Those idiots who drive around in a ridiculously raised pick up truck, making a top heavy vehicle even more top heavy and unstable
A:*gah*
B: "Whats the matter"
A: This dam prickup is blinding me.
B: Stupid thing's, as if there lights weren't blinding enough as it is.