a gerstner is a slightly childish being with great intellectual ability. they think quickly and accurately, can recite many historical, political, astronomical, religious, and just plain facts about anything from memory. there fault is they are surfers often losing themselves in the information super highway and get distracted easily.
Gershneeph is a phrase to expressemotion. The tone you say it in dictates its meaning.
If you say it in an angrytone, it could be the equivalent of " shit! " or " fuck! ". If something joyous happens to you, and you say " Gershneeph! ", it could be compared to " hoorah!" or " Wahoo! "