Someone who is bisexual, but
indecisive as to which team they bat for.
Dithering between homo and
hetero sexuality.
A lesbian who is only short and therefore only constitutes half a person
'Nat you're such a half-dyke'
'She can never decide which side of
the cookie she likes, what a half dyke'
'Is that allowed, wait, that's a
grown woman. What a half dyke'