a wats sama call it - you remember the thing but you can't think of the word for i

you remember the thing but you can't think of the word for it and you're too lazy to look it up

I saw this cool thing on the street, but I don't know what it is. It's like a wats sama call it.

I remember that movie, but I can't remember the name. It's like a wats sama call it.

I saw a weird animal, but I can't name it. It's like a wats sama call it.