Wiktionary
vb. (context idiomatic English) To enforce more stringently or more thoroughly.
WordNet
v. repress or suppress (something regarded as undesirable); "The police clamped down on illegal drugs" [syn: clamp down]
Wikipedia
is a run and gun arcade game originally released by Sega in 1989, and ported to the Sega Mega Drive/Genesis in 1990. It was also ported and released to a number of home computer platforms by U.S. Gold.
The Mega Drive version of Crack Down was re-released on the Wii Virtual Console in Japan on August 7, 2007 and in PAL regions on September 7, 2007. It released also on Steam on June 1, 2010.
Usage examples of "crack down".
This week, the Dade State Attorney's Office and the lieutenant governor announced an ambitious plan to crack down on crooked builders.
For the more conventional medical practitioner, though, this was bad for business, so French physicians pressured King Louis XVI to crack down.
The Falun Gong group hadn't even been a religion at all, not to Nomuri's way of thinking, but for some reason he didn't fully understand, it had frightened the powers that be in the PRC enough to crack down on it as if it had been a genuinely counterrevolutionary political movement.
There, like that looming dead tree stump before him, with the ugly crack down the side.
But his right hand was chilled by the stone-flavoured draught blowing from the crack in the cave floor on his right - the crack down which his companions had vanished, and down which he must vanish himself, now that his preparations were complete A sleet of bullets lashed through the entrance, and the air was deafening with ricochets.
That's why they'll crack down on you, while they'd let another man off.
It is not enough to crack down on these so-called American mercenaries fighting against their own country in the paid service of the armed forces of Libya, Chad and Syria.