A Vietnam Coma is when you have too many Vietnam Flashbacks at once and you than undergo what top researchers call, The Vietnam Coma. Constant reminder of when your best buddies, back in NAM, walk up into the trench and than getting blown up by a land mine that was thrown by those darn soldiers.

when you've done something so cringe you can't stop replaying it in your head and it stops you from getting on with your every day life