Combination of GIS (Google Image Search) and Kung-Fu. Gisfu is the ability use a web search to quickly find relevant and usually humorous images to use in on-line forums.
I know saw a picture of a one-armed midget cowboy riding a llama naked through the streets of Bangkok, but I can't find it right now. My gisfu is weak today.
by Max C. Webster, III April 23, 2009
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