like Greenland

1. Very very cold weather or temperature

2. Nasty, cold, hostile

1.

Enters the front room of a mid century terrace house '...Its like greenland in here!'

or

Person A: 'I went up to Scotland after visiting Bristol, it was so cold up there, it was like greenland... lucky I brought my long johns'
Person B: 'Long johns!?'

2.

'She gave me a long hard look like greenland'