Foam parties are a social event in which participants are lathered up with soap suds, usually dispensed from a special machine or soap cannon. (w/pics)

Participants to a foam party revel in a pool of bubbles in a bar in Nanjing, capital of east China’s Jiangsu Province Sunday, November 18, 2008.

Foam party at the Amnesia nightclub on Ibiza, Spain.

Dance in it, ride through it, make clouds with it!

Foam parties often take place at night clubs, where music, dance, and social drinking occur. Typically bathing suits or beach attire is worn to such an event.