sock in

From the windsock used at airports.

sock in (third-person singular simple present socks in, present participle socking in, simple past and past participle socked in)

1. (transitive) To cause a temporary disruption of the operations of, usually an airport.

   Fog socked in O'Hare almost until noon.

   • 2000, Approach: The Naval Safety Center's Aviation Magazine, page 16:

     I remembered the airfield as being on the southeast side of the bay , and the fog was quickly socking in that area.

• ISKCON