Having a strong urge to go back to the past or wanting to do something suddenly that reminds you of your past.
I had a nostalgia attack the other day.
Having a nostalgic feeling and remembering it so much you want to relive those times again and might want to cry from those good times long gone
I almost had a nostalgia attack after hearing the Wii shop music
A name for your reaction to something extremely nostalgic, such as crying etc
The song gave me a nostalgia attack.