A german word used in various situations to express that something is different than usual. Direct translation of it would be mass
and the usage isnt that different. It can also be used similar to wicked
Usually it is used without much sentence surrounding it, as it is an expression of surprise, awe, amazement, shock etc.
Most of the times, the 'e' is stretched.
If anything, german verbs like "verteilt" (distributed) or "gekriegt" (got) are added.
It can also be used if there's lots of sth around.
In rare cases, it has been used as replacement for a "Hello" or "Hi".