That carouses. Hence Carousingly adv.

1

1603.  Florio, Montaigne, II. ii. (1634), 188. Our carowsing tospot German souldiers.

2

1704.  Rowe, Ulysses, II. i. 955. These Carousing Lovers.

3

1848.  Craig, Carousingly.

4

1870.  F. W. H. Myers, Poems, 58.

5