Gershneeph is a phrase to express emotion. The tone you say it in dictates its meaning.
If you say it in an angry tone, 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! "
by Mictron Version1.26 October 09, 2004