suctomer
nounUK /ˈsʌktəmə/ · US /ˈsʌktəmɚ/
Etymology Blend of suck (“to be inferior or objectionable”) + customer.
1
Derogatory, Slang An unpleasant or annoying customer.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.