1 definition by Jake&Nate
The simultaneous male reaction to sudden surprise or shock involving male genitalia to feel like it is retracting up and into one's stomach.
"Dude, I flibbed when I almost pulled out in front of that motorcyclist going 4o mi/hr!"
"Oh, and by the way, I have herpes!" *FLIB*
"Oh, and by the way, I have herpes!" *FLIB*
by Jake&Nate August 18, 2008