They called it a comet, 'for lack of' a better term/word. [=because they could not think of a better term/word for it]
His honesty, or 'lack thereof', is the real problem. [=the real problem is his lack of honesty]
There was 'no lack of' interest in the proposal. [=there was much interest in the proposal]
(..) 'cause things have gone nuclear. I imagine Schrader shared with you his recent discovery. Okay, well, then you get my complete lack of chill. Just use the money that I gave you. No, Saul. Saul. I-- Sto-- Saul. Stop talking. (..)2013 TvShow: Breaking Bad Title: Confessions Season: 5 Episode 11