Gluttony was a term for excessive overeating.
In 2268, an android copy of Stella Mudd accused Harry Mudd of overeating and drinking. (TOS: "I, Mudd")
In 2373, Tora Ziyal, after Quark noted the Founders and the Jem'Hadar's lack of appetite for the attractions of Quark's, suggested maybe the Vorta were "gluttonous, alcoholic sex maniacs," a thought which cheered the Ferengi considerably. (DS9: "By Inferno's Light")
In 2377, a hologram of Reginald Barclay imitated Kathryn Janeway, referring to Tom Paris' having eaten all the scrambled eggs as "pure, unadulterated gluttony". (VOY: "Inside Man")