(現在分詞/動名詞) 在社交場合只顧著低頭玩手機而冷落朋友的行為。這個字是由 phone (手機) + snubbing (冷落) 組合而成。
phub (動詞)。
phubber (名詞)。

Victorians are being called to revolt against a growing modern social scourge branded "phubbing" — slang for snubbing others in social settings while engrossed in a phone.
—Elissa Doherty, "Campaign aims to shame people over rude mobile phone use," Herald Sun, July 20, 2013

Coined by Alex Haigh, a 23-year-old Melbourne resident, phubbing stands for "phone snubbing";, and describes "the act of snubbing someone in a social setting by looking at your phone instead of paying attention";.
—Tom Chatfield, "The rise of phubbing - aka phone snubbing," The Independent, August 5, 2013