An abbreviation of the word "Garlic Butter." This usually happens when someone labels the garlic butter as "Garlic Butt" at their workplace whilst trying to be funny. This can also happen to buttermilk ranch. It then becomes "Butt Ranch."
When one consumes a large amount of garlic and thereafter beltches onto the shoulder or neck of the person of another, thus creating a Garlic scented cravat on the person of another.
Sophie-Jenna consumed some garlic and burped onto Iain’s neck, Iain’s neck smelled of garlic for the the rest of the evening.
“Oh my god Sophie-Jenna, did you just burp garlic onto my neck? I’ll have a Garlic scarf all night!”