Whiteboard Jungle: Incident Severities Explained

Sev 4: face->palm
Sev 3: head->desk
Sev 2: time to open that 2nd (3rd?) beer
Sev 1: plskillmenaokthxnbai

Or, in terms of animal encounters:

Sev 4: The neighbor's annoying Pomeranian which never stops barking
Sev 3: That pigeon waiting to dive bomb you and take a crap on your new shirt
Sev 2: That chimpanzee throwing its shit at you
Sev 1: The lion which is so close to biting your head off, its breath is fogging up your glasses