Green’s Dictionary of Slang

hoggish adj.

also hoggy
[the negative image of the animal; hoggish, rude or filthy, is SE despite inclusion by Harman and Grose]

(US) greedy, avaricious.

[UK]J. Miller Humours of Oxford II i: Unmannerly! [...] why he is a Fellow of a College; that is to say, a Rude, Hoggish, Proud, Pedantick, Gormandizing Drone – a dreaming dull Sot.
[Aus]Queenscliff Sentinel (Vic.) 14 Jan. 2/6: Don’t be hoggish. This is his other girl’s night.
[US]R.G. Hampton Major in Wash. City 46: The hoggish gang of office seekers will be down on him like coyotes.
[US]G.D. Chase ‘Cape Cod Dialect’ in DN II:v 298: hoggish, adj. Selfish.
[US]S. Lewis Babbitt (1974) 173: No use being hoggish toward the rest of ’em.
[US]E. Booth Stealing Through Life 282: The stuff’s all right if you use judgment, but when you get hoggish it gets you – makes you harmless.
[WI]L. Bennett ‘De Flu’ in Jam. Dialect Poems 31: An dah cuss him how him hoggish.
[US]T. Thursday ‘Hart Failure’ in All Sports Aug. 🌐 Well, leave us not be too hoggish, I always say.
[US]T. Capote Breakfast at Tiffany’s 90: Don’t be hoggy: read it aloud.