It’s a common euphemism - really good competitors know how to go for the throat when an opponent is weak. There is a reason that teams like Alabama, Clemson, and Ohio State routinely find themselves on the winning side of close, competitive games, beyond just having stellar recruiting - when playing a team, and they have the chance to slam the door, they do.
In its last four losses, Penn State lost to four ranked teams.
In its last four losses, Penn State held the lead in the fourth quarter.
In its last four losses, Penn State has lost by a combined eight points.