läuft

German expression of, sometimes ironic, approval, popular in 2016. Literally means "goes" or "Läuft bei dir"-"goes with you".
Same meaning as a casual, impressed "nice" or slightly ironic "Real smooth."
Something goes smoothly.

Boy:"She just asked me out!"
Boy's friend:"Läuft bei dir!"

by Soul of a Sloth February 9, 2017