Help with text twist word!! ?

I've been trying for days to get this word! The letters are:



G I S T E R S



I can't do it! Someone think of something please!Help with text twist word!! ?
tigress!

When stuck again, go to http://www.specialist-online-dictionary.鈥?/a>Help with text twist word!! ?
Grandpa

Is

Singing

To

Everyone

Really

Stupidly