As in ¿Cómo se llama? Or, as in the South American animal related to the camel but smaller & without a hump?
I've been saying "fucknut" a lot. But, mostly that's to describe one particular person who continues to be a fucknut.
In every day conversation, I over-use the word "seriously." As in ...
Mechanic: It's going to cost $600 to repair your car.