When you can't get the ketchup out of the bottle you furiously shake it up and down until finally some comes out.
Use this when someone is being weak.
Or to speed someone up.
If you don't want to miss your plane you might want to w.i.l.k it over there.
Nick:We fucked and she wilked all over my face.
Nick:Yo what went down last night I don't remember anything.
Walker:I don't know I woke up next to a girl and I was in a pool of sticky wilk.