"hung over friend: "last night was rough, i'm still in bed and i'm playing candy crush"  best friend: "dude, you're being a bum
staying in bed all day and doing nothing, such as playing candy crush
""hung over friend: "last night was rough, i'm still in bed and i'm playing candy crush"  best friend: "dude, you're being a bum" What is the definition of "being a bum"?