A fork of Rural Dictionary
to get overly excited about someone else doing something well. if a boy is hyping up his girl he is being extra excited about how good she looks or how great she is.
boy: oh my god babe you look so good in that picture damn my girl is the hottest girl: aw look friends my cute ass bf is hyping me up! scenario 2: girl: ya whatever i like your new shoes boy: girl wyd hype me up sometimes JEEZ