fan slang for teganandsara.com which is the fan forum for the Canadian indie rock band Tegan and Sara, this forum has even been mentioned in a vlog by Tegan Quin
"I was discussing the Quin Twins on .ca all day"
by QuixoticKate April 22, 2009
The Canadian domain.
www.canada.ca is in the .ca domain.
by Cillu November 12, 2007