One single congratulation as though what someone did was cool, but not worth some celebration.
ooh looks like you got 1 full side on that Rubix Cube... congrat bro.
Girl 2: Congrats!
*Girl walks by in high-waisted shorts*
Guy: Congrats on your high-waisted shorts that don't even cover your ass!
*Scrolling through a girl's Instagram or Facebook newsfeed*
Girl 1: Congrats on your 100 likes on your photo!
Girl 2: Congrats on your pounds of makeup!