BDALKHPP
Berguling Di Atas Lantai Ketawa Hingga Pecah Punggung.
That's Malaysian for ROTFLMAO, in observance of the Berbelog Dalam Bahasa Malaysia movement during this Merdeka month.
If blog is from web log, than the Malaysian equivalent would be Catatan Web - or cateb? or even simpler, ceb? Coreb would be nicer, from Coretan Web.
Note for non-Malaysian speakers, the letter C is pronounced as 'ch' in chalk, not 'c' in cat.