Black Friday sales are only for the bravest shoppers among us, the most avid technology geeks and the most driven parents who really, really, need the newest doll for their child this holiday season . If you're heading out to the stores this Thanksgiving night , or setting an alarm for 2AM on Friday morning, you need to read these memes. After all, Black Friday is a pretty unique American tradition that has a reputation for turning ordinary stores into madhouses and regular people into snappy K…