A title for an attractive mature woman or MILF from a foreign country who is not too familiar with the native language and is easy to trick into having sex by comforting them. They usually have a very tight, sweet tasting pussy by definiton, hence "Loon N Fabby" for loony as in different, yet still fabulous.
Natalia from Russia suddenly moved to the United States to live with distant family when her parents died. At the airport a "gentleman" named Stephen offered her help in finding her luggage. Since she was uncomfortable she quickly became friends with this kind stranger. Things rolled quickly and before you know it, things were loon n fabby for both of them.