Uhh
Lol = laughing out loud, it wouldn't make sense to say that exactly in Danish, a translation could be "griner højt" = "laughing loudly".
gh
Replacing the first letter of the abbreviation with k, because of communism, it becomes
kh
However, that abbreviation is usually reserved for "kærlig hilsen x" = "love from x" or among leftists as "kammeratslig hilsen" = "comradely greeting".