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1. dwhln
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''
''Ohhh''

Or..
''DWHLN''
''You lost your brain''
''Oh....ssweet.. DWHLN''
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