哥大

Columbia University (abbr.)

elder brother

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)

Bogota, capital of Colombia

cell phone (bulky, early-model one) / brick phone / mob boss

University of Chicago