1) A term generally used in extreme sports referring to a large jump, often without knowledge or regard for the risk or consequences.
2) The term can also be applied to risk assesment in everyday life, taking actions regardless of the risk or consequences. (A strengthening of resolve, as opposed to 'fuck it' which is a form of giving up)
1) "He hucked the jump over on the north corner, not even knowing about the gravel pit below"
2) "This may not be my best decision, but huck it, I'm going to try anyway"