Goofy, silly, a person with a duh moment.

A swimmer

When someone is acting like a dipshit, but you do not feel the need to curse at them because they know what they did wrong.

noun-a fried egg cooked "over medium" resulting in cooked whites and an uncooked yolk. this preparation of an egg allows one to "dip" their toast into the yolk and soak up its goodness.

silly, foolish

Dippy means to be a complete stupid fucking dumbass, plain and simple.

A joint dipped in formaldehyde