From Longman Dictionary of Contemporary Englishmake a grab for/at somethingmake a grab for/at somethingTAKE something FROM somebodyTAKE something FROM SOMEWHEREto suddenly try to take hold of something As soon as he turned his back, I made a grab for the revolver. → grab
Examples from the Corpus
make a grab for/at something• The realization felt as if the world had made a grab at him.• She dodged around him and ran into the road as he made a grab for her.• He made a grab for the knife.• He made a grab for Isaac, but wasn't quick enough.• Then Rose made a grab for Evelyn's hair and started banging her head against the floor with both hands. 