Green’s Dictionary of Slang

gobaloon n.

[Scot. gaberlunzie, a strolling beggar; ? colloq. gab, to chatter + loony n.]

(Ulster) one who talks too much and acts the fool.

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[Ire]Share Slanguage.
[Ire]D. Healy Sudden Times 175: Marty says to me: Hi Ollie, will you get the dawk-cue-ments? drawing out the sound like a fucking gobaloon.