look up any word, like donkey punch:
 
1.
When 3 or more girls get together at a bar and all of them become so intoxicated they can barely see.
"Last week at the bar was a total hammershow for the girls"
by Rozlyn June 09, 2007
 
2.
Being drunk beyond all imaginable belief.
man, i was a HAMMER SHOW last night.
by Cfishhhh March 31, 2010