To exert or maintain control over a website, domain name, wiki page, etc.
ride the tiger
To maintain control over something aggressive and dangerous.
grab by the lapels
To exert control over (something).
wrap around one's little finger
To successfully control or exert influence over, especially for a sust…
clamp down on
To take measures to stop (something); to put an end to (something); to…
drag one's balls across
To exert extreme, often aggressive, power or control over; dominate.