Akademik

rowdy

adj. & n.
—adj. (rowdier, rowdiest) noisy and disorderly.
—n. (pl. -ies) a rowdy person.
Derivatives:
rowdily adv. rowdiness n. rowdyism n.
Etymology: 19th-c. US, orig. = lawless backwoodsman: orig. unkn.

Useful english dictionary. 2012.