大爷

arrogant idler / self-centered show-off

(coll.) father's older brother / uncle / term of respect for older man

see 大夫[dai4 fu5]

big; large; great / older (than another person) / eldest (as in 大姐[da4 jie3]) / greatly; freely; fully / (dialect) father / (dialect) uncle (father's brother)

grandpa / old gentleman