"That chick that just yestered was hot!"
"Did you pass the yester test."

we had a little get together yesters.

Nigel: I say, Basil, I had rather too much to drink yester-eve.
Basil: I suppose that would explain your vomiting this morn.

you dog, yester-night i banged a girl

"please refer to yester-lesson"

"Sir what are we doing today?"
"Continuing work from yester-lesson"

I was so mired in yester-think that I didn't realize that technology was evolving all around me.

You promised me yester-last-year that you'd be be here within a year. It's too late now.