Giggle Party
A party where people take turns being tied up and then being tickled by the others at the party, usually for 20-30 minutes. Grew out of the popular tickle challenges on YouTube. If you volunteer to be tickled then you are allowed to tickle all the other people when they are tied up.
Were you at Ali's giggle party? OMG I never knew Nicole was SO ticklish! It was so fun to tickle torture her.