一抓一大把

一抓一大把:

Literally means:

big handful at time

Actually means:

One can get big handful of something at a time.

This phrase indicates that something is not valuable at all because of its abundance; means easy to get; very common. It can be used to refer to both people and things. Sometimes derogative.

用手抓一下，就能得到一大把。

指因数量多而显得不希罕，未必值得珍贵。可指人或物。有时含有贬义。