thumping
US /ˈθʌm.pɪŋ/
UK /ˈθʌm.pɪŋ/

1.
very large or impressive
:
•
They won by a thumping majority.
•
It was a thumping success for the new product.
1.
with a heavy dull sound
:
•
The heavy box landed thumping on the floor.
•
His heart was beating thumping in his chest.