Someone who 'burrows' themselves from real life situations, someone who is afraid of either revealing/facing/accepting the
truth, by
digging, or 'burrowing' themselves into holes to hide secrets, normally such things like homosexuality. The word 'Bugsy' coming from a common Rabbits name, which are known for 'burrowing'/
digging holes.
'Dude, have you heard about
Toby? He's
gay?'
'Nah he told me it wasn't true,'
'Trust me, I've
seen pics, he's definatily being a bit Bugsy.'