In all likelihood; in a probable manner.
1You prolly won't believe this, but I won over ninety dollars out there.
2I still love graffiti, so I would prolly be investing my time in that.
3Heard there was a speakin-ring sommers on the far side, but that 'us prolly a lie.
4She was prolly writing about me.
5Miss Reilly's prolly in the kitchen.
6It's prolly fulla dirty stories.
7You prolly followed him to the Gilmartin place, an' then when they all went to the theater you went right in.
8What you prolly don't know, on account of we just learned it ourselves, is he lived right there in the building.
9You was to run over that little hell-bitch of mine on your way out, you'd prolly be doin me a favor.
10It didn't do a bit of damage to me; hell, I prolly sold a couple of paintings on the strength of it.
11Prolly over near Borough High Street in the close.
12"This lock, the lock on the box, you prolly shouldn't open it."
13Prolly helped to kill im.
14"Locks," he said, "prolly don't mean too much to you."
15"Prolly high, what with that rain yestiday," he said.
16"Prolly 'cause this is where the petty cash is."