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Performing overnight large scale downloads (usually videoclips of erotic content up to 25+Gb) that are to be viewed the next morning.

Origin: October 3rd on bf2s.com forums by usernames DonFck, NooBestFIN and {uscm}Jyden. A typo lead to interpretation of a word now known as "dawnloading"
"I started dawnloading from (insert website with erotic content here).com only to in the morning notice that my ISP was down. Man, that bummed me out. I was ready with the tissue and all.."
by DonFck October 03, 2006
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