Snow surfing. The precursor to snowboarding. Snurfers were first sold in retail stores in 1965.

the thing that you don’t have when you’re phones percentage is over 20

To be surfing the internet while talking on the phone, as definied by Comcast high speed internet.

The act of sniffing a patron behind the ear without their knowledge or consent. Often acted out as a team where one person, the "Surfer" will perform the act while the other attempts to take photos at the precise moment the victim realizes someone is inappropriately crossing their personal boundary. The act of snurfing is best performed at large social gatherings or bars, where serial snurfing may occur ad nauseum without the group as a whole becoming aware of the act. Photos become great tools for jesting and cyber bullying in modern social networks.

Getting a blowjob from a member of the Blue Man Group.

surfing the Internet while you're supposed to be having a conversation on the phone.

An abbreviated form of 'surfing the net'.