Originally posted by MLT:
Listen, David, if you don't mind, I think I'm going to borrow your 'thwap' for the sound a helicopter's blades make when it's flying. I need the sound for in my latest story and thwap really seems to work for me.
'thwap, thwap, thwap, thwap, thwap, thwap, thwap'
See what I mean? Don't you just get that helicopter feeling? 
