from The American Heritage® Dictionary of the English Language, 4th Edition
- intransitive v. To behave or move in a carefree, frolicsome manner; romp.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To behave in a playful or carefree manner; to frolic or romp
from The Century Dictionary and Cyclopedia
- To move in a careless, swaggering manner, with a frolicsome air; swagger; be jovial in behavior.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. play boisterously
Origin unknown.(American Heritage® Dictionary of the English Language, Fourth Edition)
Presumably a blend of roll and frolic; appeared 1811 as rollicking, 1826 as rollick. (Wiktionary)