Clean out a ketchup bottle and add your pancake batter. This will allow you to squeeze out as much as you want without dealing with all the mess. This would also work great with mustard and honey bottles, or any other squeezable bottles.
So, I tried this tonight...and just about set my house on fire! Smoke immediately started billowing out of the toaster so I did it the old-fashioned way. The house smells terrible now. BEWARE THE SIDEWAYS TOASTER!