When you do something totally
stupid or out of contest ruining a
party or an official occasion!
Can be used also for smaller things like fall down on the street or expose parts of your body in public unintentionally, basically when you embarace yourself badly.
It's a word created in Latvia resembling a "french
sound" but has nothing to do with french!
Yesterday I mada a lablamage, I cannot hold a smelling fart while on a
meeting with my
managerI was speaking about how
beach it is Sandy when I realize her housband was behind me, was such a lablamage!