frig ‧ ging /ˈfrɪɡɪŋ/ BrE AmE adjective [only before noun] , adverb spoken not polite
[ Date: 1800-1900 ; Origin: frig 'to rub, have sex' (16-21 centuries) ]
used to emphasize something you are saying when you are angry, annoyed etc:
I can’t open the frigging door!