Top definition
Dude what happened last night? Commonly defined by an excessive alcohol intake, forgetting what happened last night.

Also defined as:
''When your too stupid to remember what happened last night'''
''DWHLN..... I can't remember''
''You drank a little too much. That's what happened''

''You lost your brain''
''Oh....ssweet.. DWHLN''
by URBAN WORRRRDD [CALI GIRL] April 11, 2010
Get the mug
Get a dwhln mug for your fish Helena.