A fork of Rural Dictionary
When one or males make contact with the heads of their penises. Can often be played as a game similar to jousting.
Hey man, as long as we have our pants off... We might as well be Knockin' Noggins.
We went down to the river with the boat, a fishin pole and a case of cold ones, and proceeded to knockin noggins on them big ol flounder like they was goin outta style.