sulky has definitions from the field of transportation
1
[ noun ] (transportation) a light two-wheeled vehicle for one person; drawn by one horse

Used in print

(Stephen Longstreet, Eagles Where I Walk....)

Now , driving the horse and sulky borrowed from Mynheer_Schuyler , he felt as if every bone was topped by burning oil and that every muscle was ready to dissolve into jelly and leave his big body helpless and unable to move .

He slapped the reins on the back of the powerful gray horse and held_on as the sulky 's wheels hit a pothole and came_out with a jolt and went_on .

2
[ adjective ] sullen or moody

Synonyms

huffish

Used in print

(Kenneth Allsop, The Bootleggers and Their Era...)

They had suffered , in sulky silence , the sight of his sharp practice in Cicero .

Related terms

ill-natured

*