Participants at a Cuddle Party on August 11, 2004 in New York, learn to become more affectionate by touching and hugging, but without sex.  It's not about sex and all about the touchy-feely experience of snuggling up to perfect strangers wearing pajamas . (Reuters)

cuddle: to fondle in the arms; hug tenderly （搂抱）

touchy-feely: openly expressing love and affection (especially through physical contact) （通过身体接触公开表达情感）

snuggle: to lie or press close together; cuddle. （依偎躺或挤在一起；搂抱）

perfect stranger: （完全陌生的人） 

pajamas: （睡衣）