sperg UK /spɜːɡ/US /spɜɹɡ/noun 2verb 2forms 3 noun2 •(slang, offensive) A person with Asperger's syndrome; an Aspergerian. •(slang, offensive) A person who displays awkward, pedantic, or obsessive behavior that is associated with Asperger's syndrome. verb2 •(slang, offensive) To ramble about with excessive detail, as persons with Asperger's syndrome tend to do. •(slang, offensive) To have a meltdown; to throw a temper tantrum or a rage fit. formssperged · sperging · spergs