He really cannot help digging in further, can he? He’s snide to the bone.
Thesaurus: snide - expressive of contempt; “curled his lip in a supercilious smile”; “spoke in a sneering jeering manner”; “makes many a sharp comparison but never a mean or snide one”
Obama’s supercilious snide manner would take him far in international affairs, doncha think?. He’d just insult our enemies to death.