love-in

[love-in] {n.}, {slang}, {informal} A festival or occasion tocelebrate life, human sensuality, the beauty of nature, humansexuality, and universal love; affairs so conceived by some frequentlydeteriorate into obscenity and drug using sessions in parody of theirstated purpose.

The hippies gathered for a big love-inin the Halght-Ashbury district of SanFrancisco.