1826 A. Judson 101 Noisily, rumblingly.
1834 L. Ritchie in 239 A hollow sound, resembling a groan, broke upon her ear, and died rumblingly away in the distance.
1922 A. A. Milne ii. 18 He laughed rumblingly.
2007 A. Theroux xlv. 716 At Jeff's apartment..he was rumblingly asleep, fat, flatulent, and dribbling.