The rule does make sense, and just the tip doesn't count as inside

It doesn’t count if it’s just the tip… so I took a little

Doesn't count because it's just the tip

She knows how to work the tip

It doesn't count if it's just the tip, bud!

[Reddit] When my bud insists that "just the tip" doesn't count.

If you just put the tip in that doesn’t count… right?

Using my tip ring, 7 shot count!

Neighbors wife said just the tip doesn’t count

I convince my neighbor it doesn’t count as cheating if it just

Oh come on, bud over the boxers doesn’t count…I meant, just

I managed to convince our married healslut that only sucking