Activism done with food. As feeding the homeless, or supporting ongoing activism with food.
Occupy Together events, lasting several weeks or months, are a perfect opportunity to practice snacktivism.
Bite-sized activism. Political activity that comes in short, easy to digest formats.
Frequently used in relation to activity on the site http://slatecard.com.
I don't want to see your whole biography, 120 words will do, this is snacktivism after all.