Some more ideas:
Pour Me Another - You're Still Ugly!
It's Only Funny Until Someone Gets Hurt - Then It's Hilarious!
If You Need Anything, Don't Hesitate To Ask Somone Else!
I'm Not A Gynecologist, But I'll Take A Look.
You Know You're Getting Older When Happy-Hour Is A Nap!
My Favorite Beer Is An Open One!
Life Is Tough! (It's Tougher If You're Stupid!!)
Stop, Drop, and Roll Doesn't Work In Hell!
I Don't Get Drunk, I Get Awesome!
If At First You Don't Succeed.....Reload!!
Guitar Players Finger Better!
I'm Not A Social Drinker - My Drinking's Work-related!
Save The Planet! (It's The Only One With Beer!!)
Bad Decisions Make Good Stories
I'll Have What That Man On The Floor Is Having