I tripped once and I turned into the letter "W" then the lines of the W which felt like my arms and legs broke apart and floated into space and thus was the climax of my trip, then my arms and legs came back together to form the letter "W" again..
Never had Buckleys, but pretty much ANY other DM syrup i've had in doses exceeding the 10 oz range.. Look for any syrup containing 15mg DXM per 5ml.. and you should have a good time on an 8 ounce bottle..