slip between the cracks

slip between the cracks

Fig. [for someone or something] to be forgotten or neglected. (Fig. on something being lost by falling between floorboards.) Where is Alice? I guess we neglected her and she slipped between the cracks, This issue seems to have slipped between the cracks and become forgotten.
See also: crack, slip
References in periodicals archive ?
FEARS that returning Welsh troops slip between the cracks because of confusion over who should provide support for them have been raised.
Maybe that's why so many girls become wafer-thin, the better to slip between the cracks and disappear.
By delivering information directly from the registered agent into the client's matter management system, important records can't slip between the cracks, costs associated with re-entering data are eliminated, and corporate clients can immediately deal with new legal documents.
When children slip between the cracks of various government departments for whatever reason it is a sin, sometimes of omission and others of commission.