something that shows what a society is like now.

Young people are so rude, but I guess it's just a sign of the times.

Usage notes: most often refers to negative characteristics

• be up a gum tree
• be up alley
• be up and about
• be up and around
• be up and down
• be up and running
• be up arse
• be up in arms
• be up in the air
• be up someone's alley
• be up someone's arse
• be up someone's street
• be up street
• be up the creek
• be up the creek without a paddle
• be up the duff
• be up there with
• be up there with someone
• be up there with something
• be up the spout
• be up to ears in
• be up to ears in something
• be up to eyeballs in
• be up to eyeballs in something
• be up to eyes in