whopping
From Longman Dictionary of Contemporary Englishwhoppingwhop‧ping /ˈwɒpɪŋ $ ˈwɑː-/ adjective [only before noun] informal BIGvery large a whopping feeExamples from the Corpuswhopping• a whopping 28% increase• The second day went through the roof with a whopping 573,604.• He managed to get a TV celebrity to open the theatre -- but at a whopping fee.• The Department of Social Security admitted it was paying their whopping mortgage to stop the mansion being repossessed.• In the divorce proceedings, she demanded the car and a whopping two-thirds of the family business.