Shift

v.

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

To engage in kissing and heavy petting, typically at a weekend dance or disco.

In use

Did you shift anyone good at the marquee dance last night?

Posh English

Did you manage to court a young lady quite successfully at the marquee dance last evening?

Same phrase, other counties