1 definition by Lighthouse Star
When you are in a hot tub and you 69 causing your partner to whack their head on the bottom of the tub, leaving them unconscious.
Megan: Why is my new hot tub bloody?
Ally: I saw Liz and Steven doing a Dutch Dinkle Dunch!
Liz: What happened last night?
Eric: You went hardcore with my brother.
Ally: I saw Liz and Steven doing a Dutch Dinkle Dunch!
Liz: What happened last night?
Eric: You went hardcore with my brother.
by Lighthouse Star December 27, 2011