A term meaning scared and coughing
"All that derping for nothing!" -CallMeKevin
To be scared and coughing at the same time
Wow, I was derping so hard when I watched that horror movie last night
"I heard some noise from the other room, are you okay"
"Yes, sorry, I was watching a horror movie and my popcorn got stuck in my throat, so I starting derping."
Scared and coughing at the same time.
I couldn’t do anything yesterday because I was just derping all the time.