It looks like your topic title was cut off, but based on the fragments provided — "John Thompson," and "GGG" — this appears to be related to pedigree records in dog breeding (likely German Shepherd Dogs or a similar working breed registered with an organization like GGG, perhaps a kennel club or breeding database).

: This could stand for a variety of things depending on the context, such as "Good Game" in gaming, a company name, or an acronym for an organization or a term in a specific community.

Genealogical keywords are often shorthand. Let’s parse the string: