Definition of squiffy in US English:

squiffy

adjective

British
informal
  • Slightly drunk.

    ‘he's squiffy from the rum’
    • ‘Do they mean anything, faces, Maggie would think to herself when she was a bit squiffy and had had one too many glasses of sparkly spumante.’
    • ‘You'd think I'd have learned long ago not to argue with those with a slightly squiffy glint in their eye.’
    • ‘It's good to see that Gandalf has his human side, and gets squiffy at a post-Oscars party.’
    • ‘While we're of the subject of goats…… I have a friend who once got so squiffy at a party she signed up for a twelve week goat keeping course.’
    • ‘Much gin was drunk, much inane rubbish and some serious stuff was discussed, and we all went home pleasantly squiffy.’
    • ‘She last played Scotland with Dreadzone at The Arches in Glasgow, where she remembers getting rather squiffy on port and not much else.’
    • ‘I protest that this is unfair as I am slightly squiffy, but they insist.’
    • ‘In fact, shopping while slightly squiffy on cocktails is probably the closest any lady can get to heaven, in my opinion.’
    • ‘They leak, they give the wine a plastic flavour, they are nigh on impossible to remove with a cork screw when you're squiffy.’
    • ‘She'll drink a little if we go out for dinner, but never enough to get squiffy.’
    • ‘I feel a bit squiffy… actually make that a lot squiffy.’
    intoxicated, inebriated, drunken, befuddled, incapable, tipsy, the worse for drink, under the influence, maudlin
    View synonyms

Origin

Mid 19th century: of unknown origin.

Pronunciation

squiffy

/ˈskwifē//ˈskwɪfi/