Not enough steering When a driver turns his steering wheel, and the car doesn't turn but keeps going forward, the driver feels as if something is pushing the car
a certificate revocation list (CRL) delivery model in which the certificate authority (CA) delivers users new CRLs as soon as it revokes a certificate A pushing problem is the computer time used just to receive and process revoked certificates even if there aren't any relevant revoked certificates on the CRL Also, since the CRL is pushed, the CA and the user must ensure BlackHat doesn't intercept and delete the pushed CRL even before it reaches the user
marked by aggressive ambition and energy and initiative; "an aggressive young exective"; "a pushful insurance agent"; "a pushing youth intent on getting on in the world"
If you say that someone is pushing a particular age, you mean that they are nearly that age. Pushing 40, he was an ageing rock star. = almost, going on. be pushing 40/60 etc to be nearly 40, 60 etc years old - used only about older people