bumpityadv.int.adj.
/ˈbʌmpᵻti/, U.S. /ˈbəmpədi/ colloquial.
A. adv. (and int.)
With a bump. Also reduplicated and as int., indicating repeated impacts or a jolting manner of movement. Cf. bump adv..
ΘΚΠ
the world > movement > motion in specific manner > alternating or reciprocating motion > [adverb] > jogging or jolting to and fro or up and down
jiggy-joggy1600
jig-a-jig1602
bumpity-bump1833
jig-jig1836
joltingly1843
bumpingly1854
bumpity1967
1832 E. Bulwer-Lytton Eugene Aram II. ii. viii. 186 Them dumb animals [sc. horses] can't go on for ever, bumpety, bumpety, as your honour and I do.
1897 Recreation Jan. 23/2 You jump down. Bumpity, bumpity, crash, slash! Away goes something in the brush!
1967 K. Giles Death in Diamonds vi. 99 My heart went bumpity because it seemed she looked right at me.
2002 Alamogordo (New Mexico) Daily News (Nexis) 2 June 4 a/3 Suddenly, the van started to go bumpity, bumpity, bumpity.
B. adj.
Esp. of a journey or road: bumpy.
ΚΠ
1902 W. de la Mare Songs of Childhood 10 A bumpity ride in a wagon of hay.
1921 A. Nin Early Diary 21 Feb. (1982) II. 150 Thorvald dared me to go down a bumpity hill standing up on the sled.
1966 Farmer wants Wife (Farmers Weekly Farm Women's Club) 114 After a bumpety ride, we arrived.
2011 E. Jenkins Toys come Home iv. 78 When the car goes over the bumpity part you know you're almost home.
This entry has been updated (OED Third Edition, September 2018; most recently modified version published online December 2021).
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adv.int.adj.1832