weekins
A week and a half, either ten or eleven days.
"You've missed a lot while you were gone over the weekins."
fourth-weekin
When everything is going along all cool then your buddy starts to act like a totally bitch out of blue like some girl on the rag.
Friend 1: Hey I thought Bob was comin out with us tonight.
Friend 2: I talked to him earlier and he had somethin stuck up his ass. I'm pretty sure he's fourth-weekin.
Friend 2: I talked to him earlier and he had somethin stuck up his ass. I'm pretty sure he's fourth-weekin.