edit: I usually don't bitch about being downmodded. But don't you guys know any old people? And know that old people tend to be in charge of things? In any event, you shouldn't rely upon business leaders of any age being ignorant of the language.
-http://www.thefreedictionary.com/sucks 5. Vulgar Slang To perform fellatio on.
-suck, Old English sucan, corresponding to Latine sugere "to suck." It's of imitative origin. Meaning "do fellatio" is first recorded 1928.
-Slang sense of "be contemptible" first attested 1971