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A bt cannon is an opener/strategy in tetris, which is a tsd followed up by a tst, then a c spin, then possibly a perfect clear end. While not as useful in versus games, it is definitely op in blitz/ultra mode
"i got 200k+ score in tetr.io blitz just by doing bt cannon"
by Umeko_uwu January 21, 2021
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May 21 Word of the Day
n. The birth name of somebody who has changed their name. Most commonly attributed to trans people, but can be attributed to any person who has changed their name. (sometimes written as two words: dead name)

v. 1. To call somebody by their deadname.
v. 2. To out somebody's deadname to the public.
Don't call her by her deadname. She hasn't gone by that name in years.
by Canola Yogurt September 16, 2014
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