What is Klancer?
1.
A childish boy whom yells things at passer by's. Often works in office buildings and yells at employees from other floors, while in the cafeteria or exiting an elevator.
Two girls walk by and Person A yells, "Hey, is that the one you always talk about?" and then giggles.
Person B - "Dude, you're SUCH a Klancer!"
See