There is no such thing as 'Smurfity smurf smurf smurf' but 'Smurf smurfity smurf smurf' means a bad/ inappropriate word, it is not specific, though.
Female: Smurfette Male: Vanity Smurf
Papa Smurf
It's a translation of the French word "Schtroumpf" into Dutch. It was a word made up by the creator of the Smurfs (Pierre Culliford) to refer to something that he had temporarily forgotten the name...
The person who likes to catch the surfs and wants to is Gargamel and his cat Azriel. They are the main people who wand to catch them.