internet brigade

Proper noun

 * 1)  A group or groups of activists or members of the People's Action Party (PAP), the current ruling political party in Singapore, who post comments in social media, Internet websites, blogs or forums etc without giving away their true identities to defend the establishmentarian agenda and/or attack Opposition parties and sympathisers. Can also refer to individual members or activists of such groups. Also "PAP Internet Brigade".

Usage notes
Not commonly used in everyday discourse, though not uncommon in anti-establishment circles; typically found in social media, blogs or anti-establishment news sites.