So go through the menus: One Player; Towers; Traditional Towers. Then select Klassic Tower (any diffikulty, although Very Easy would be easier, obviously)
For your kharakter, you'll need to be the 'Drunken Master' version of Bo' Rai Cho, this is the only one with access to the move you'll need.
When the match starts, just press
a lot - 10 times in total. I don't think it matters if you get hit whilst Bo is drinking, it still kounts. Trophy pops when you have done it ten times.