I. ˈthəmp verb
Etymology: imitative
Date: 1548
transitive verb
1. : to strike or beat with or as if with something thick or heavy so as to cause a dull sound
2. : pound , knock
3. : whip , thrash
4. : to produce (music) mechanically or in a mechanical manner — usually used with out
thump ed out a tune on the piano
intransitive verb
1.
a. : to inflict a thump
b. : to make or move with a thumping sound
2. : to make a vigorous endorsement
got a couple of…senators to thump for him — New York Herald Tribune
• thump·er noun
II. noun
Date: 1552
: a blow or knock with or as if with something blunt or heavy ; also : the sound made by such a blow