A nickname for someone who is SPECTACULAR and deserves the world. If you call someone Pheebsters then they should be the most important person in the world to you.
The nearly unconscious compulsive use of a mobiletelephone, perhaps partially concealed in your lap or under a table, at an inappropriate venue or time.
“Gosh you will never believe this…” said professor Livitz to Professor Cohen, “…I was lecturing about the balance of payments and this one kid was sitting there phonesterbating the whole time, he looked like a monkey fapping his pud.”