Serbomans (singular Serboman) is a Bulgarian

Bulgarian language

Bulgarian is an Indo-European language, a member of the Slavic linguistic group.Bulgarian, along with the closely related Macedonian language, demonstrates several linguistic characteristics that set it apart from all other Slavic languages such as the elimination of case declension, the...

-Macedonian

Macedonian language

Macedonian is a South Slavic language spoken as a first language by approximately 2–3 million people principally in the region of Macedonia but also in the Macedonian diaspora...

 term for local people that live in the region of Macedonia

Macedonia (region)

Macedonia is a geographical and historical region of the Balkan peninsula in southeastern Europe. Its boundaries have changed considerably over time, but nowadays the region is considered to include parts of five Balkan countries: Greece, the Republic of Macedonia, Bulgaria, Albania, Serbia, as...

 and claim to belong to Serbian ethnicity, that support the Serbian national ideals or officially declare themselves as Serbs

Serbs

The Serbs are a South Slavic ethnic group of the Balkans and southern Central Europe. Serbs are located mainly in Serbia, Montenegro and Bosnia and Herzegovina, and form a sizable minority in Croatia, the Republic of Macedonia and Slovenia. Likewise, Serbs are an officially recognized minority in...

. It is used pejorative

Pejorative

Pejoratives , including name slurs, are words or grammatical forms that connote negativity and express contempt or distaste. A term can be regarded as pejorative in some social groups but not in others, e.g., hacker is a term used for computer criminals as well as quick and clever computer experts...

ly by Bulgarians to refer to Macedonians

Macedonians (ethnic group)

The Macedonians also referred to as Macedonian Slavs: "... the term Slavomacedonian was introduced and was accepted by the community itself, which at the time had a much more widespread non-Greek Macedonian ethnic consciousness...

who refuse the Bulgarian national idea. The origin of the term is unclear. It first appeared during the time of the Serbian-Bulgarian rivalry for present-day Macedonia.