Green’s Dictionary of Slang

dingle v.

(Irish) of a man, to have sexual intercourse.

[Ire] ‘The Answer to Stauka an Vauraga’ in A. Carpenter Verse in Eng. in 18C Ireland (1998) 424: ’Tis there the boys out pleasure will leasure me, / With joy out of measure they’ll dingle and gingle me.