Green’s Dictionary of Slang

beezer n.3

also beezo
[? bugger n.1 (1) + geezer n.1 (1)]

(mainly juv.) a ‘fellow’, a ‘chap’.

1937
19401950196019701980
1982
[US]T. Thursday ‘Good Luck is No Good’ in Federal Agent Nov. 🌐 Right away I knew this beezo is right for a deal.
(con. WWII) X. Herbert Soldiers’ Women (1978) 260: ‘Can’t I get a sugar-daddy Colonel too? What’s wrong with me getting your bloody old beezer off of you, anyway?’.
[US]G.V. Higgins Patriot Game (1985) 62: There is that beezer Harrington that works the electric plant.