Tappin

n.

Heard in Tipperary, Kerry and Limerick

Engaging in sexual activity; more than mere cuddling.

In use

Yer man was tappin dat wan for ages, he'd be still at it only his wife got wind of it.

Posh English

Jimmy was engaging in amorous congress with that female for ages, and would still be at it had his wife not discovered the affair.

Same phrase, other counties