Unscramble Itfsing

What is the meaning of word itfsing unscrambled?

What 7 letter words can be made from letters I T F S I N G:

1. fisting - Definition of fisting

2. sifting - Definition of sifting

Make more words by adding or removing letters

How many 6 letter words can you make from letters I T F S I N G?

1. SIGINT - Definition of SIGINT

2. siting - Definition of siting

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling tfsing
2) Removing the letter T and unscrambling ifsing
3) Removing the letter F and unscrambling itsing
4) Removing the letter S and unscrambling itfing
5) Removing the letter I and unscrambling itfsng
6) Removing the letter N and unscrambling itfsig
7) Removing the letter G and unscrambling itfsin

More anagrams containing the letters I T F S I N G
itfsngi itfsnig sfigtni tnsfigi