A romantic (or platonic/casual) relationship between a ginger and an african american.
Everyone hates a peanut butter couple. They're either extremely happy, or the black partner is brutally abusive.
When a couple mimics the behavior of sharks with each other. For example, at the end of a long day when they are sleepy and play the sleepy shark. Or when they want to surprise the other one, and play the surprise shark.
Look at them, shark couple goals
The best couples in the world is Malthe + Lærke Morten + Maja Lucas + Juliane or if your name starts with the letters H + K R + L A + M
guy 1 to malthe - hay whose your girlfreind
malthe to guy 1 - its Lærke she is cute
guy 1 to malthe - nice your the best couples ever