1. A colloquialism to describe one who engages in any one of a number of deplorable acts popular at parks with a reputation for being a rendezvous for members of the homosexual community. More specifically, one who searches out partners for said engagements.

2. A meaningless insult to call any friend or foe.
"Good softball game tonight."
"Dammit they turned the lights out on us!"
"Uhh...we better jet. This place is crawling with shitrangers."

(ring, ring)
Your friend: Hello...
You: What's up shitranger?
Your friend: Good one...
You: Wanna drink beer?
Your friend: Does the pope shit in the woods?
You: I'll be over in 5.
by Head July 29, 2004
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