Mork
No, dreamcatchers were not fads in the 1970s because they was used in the age of the Ancient Americas, not the 1970s.
The first place I ever heard "shazbot" was from the tv show Mork and Mindy in which Robin Williams played an alien who landed in a space egg in Boulder, CO and Mindy (Pam Dawber) found him and he moved in with her (purely platonic, of course). Shazbot seemed to mean Oh, shoot, or something similar.
Red flashing usually indicated that a spell has been cast on a character. Most will disappate after a time (curse of mortality) but debuff potions can be used.
to curse someone
No. This word is used to as a synonym for a child or a "youngster". It is not a curse word.
She used the unforgivable curse Avada Kadavra which is the killing curse.
The water on vampires curse island is used later to grow the beanstalk in the armory atic.
Harry Potter has used two unforgivable curses. In the Order of the Phoenix he used the Cruciatus curse on Bellatrix Lestrange, then in the Deathly Hallows he used the Imperius curse to break into Gringotts.
Because Hell is the oppsite of Heaven and it is cursed and it's used today as a curse word.
The word "swear" itself is not a curse word, but it is often used in the context of using curse words when someone is speaking profanely or disrespectfully.
Not known.
there is no birth curse though there is the rudimentary body potion like the Voldemort used at the end of goblet of fire.