What does the French phrase 'nickel alors' mean?
"nickel" is a comment you do when coming across something very
good for your purpose. The meaning is "OK / best possible
thing!"
"alors" means 'then'
this is an informal, widespread expression.
"Il faut que j'aille à la gare, mais je vais être en
retard." (I have to go to the station, but I'm bound to be
late)
"je t'emmène en voiture" (I will give you a lift)
" - Nickel alors !" (OK then / best thing ever!)