Stealthing so thoroughly that nobody sees you and you knock out or kill every person or thing that could have potentially spotted you.
While playing Splinter Cell, I one hundred percented the game and knocked out every single guard. It was a stealthgasm.
by D.J. Spoo April 16, 2006
A word used to experience the Adrenalin rush felt whilst riding on the rollercoaster 'STEALTH' at Tussaud's Thorpe Park, in the UK.
by Jo S November 7, 2007