The boiling, horrible, catastrophic mudslide that happens when a glacier atop a dormant volcano suddenly melts during an eruption.

Also the boiling, horrible, catastrophic mudslide that happens when you accidentally drink the tap water in undeveloped nations.
I forgot about not drinking the water in Ecuador until the lahar hit. I was lucky the pilot finally turned off the seatbelt light so I could use the lavatory on the flight back!
by maadio February 02, 2012
to curse or say something harsh or bad to someone else with exaggeration or/and in an extravagant manner
Mamat tu suka sangat melahar kat semua orang! Dia ingat dia bagus?
by sentap May 16, 2011

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