BUTFIRST thing
BF thing

If thing is a word, outputs a word containing all but the first character of the input. If thing is a list, outputs a list containing all but the first member of the input.

BUTFIRST throws a bad input error if given the empty list, the empty string, or an array.

SHOW BUTFIRST [1 2 3]
[2 3]

SHOW BUTFIRST "Hello
ello