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(1). To try really, really hard (but still fail).
“I’ve been bending the steel on this, but I just don’t think I’m going to be able to get you that purple Geo you’re looking for.”
(1). A time at which a participant in a conference call or meeting needs to leave, usually due to dinner reservations or a tee time.
“We’ve got a hard stop at 11, team, it’s Bagel Friday!”