Shift

v.

Heard in Waterford, Wexford, Longford, Tipperary, Clare, Sligo, Cork, Limerick, Mayo, Laois and Kilkenny

To French kiss someone.

In use

Will ya give her da shift der?" "I'd shift dat anyday

Posh English

Would you give her a French kiss there? I would French kiss that any day.

Same phrase, other counties