Phub. *When your friend looks up porn hub (p-hub) and you want to keep it a secret. * And if he asks what it is its the cealing. *He will always. phub Bedeutung, Definition phub: to ignore someone you are with and give attention to your mobile phone instead. verb - to phub (someone) - "I met him for coffee and he phubbed me for at least 30 minutes." "You are really prone to phubbing these days.".