To be well up for anything then get shot down by another, possibly by a girlfriend.
Skegness slang due to their hertiage of roaming will mooses.
Mooses would often bolt or gore people which would stop them going out.
Person 1: Are you going out tonight?
Person 2: Yeah definately bud, im well up for it!
(after speaking to girlfriend)
Person 1: You still out mate?
Person 2: Nah mate dont fancy it
(After 5 minutes leaves to see ones girlfriend, hence to gore it)