The population has 'mushroomed' [='shot up'] over the past 10 years. = The town has 'mushroomed' in population over the past 10 years.
Interest in local history is suddenly 'mushrooming'.
Her hobby 'mushroomed' into a thriving business.
(..) I don't know why he's so upset. It's only a couple of carrots. And some cabbages. And those three bags of potatoes that we lifted last week. -And then the mushrooms the week before. -Yes,Pippin. My point is... ...he's clearly overreacting. Run! Oh,that was close. I think I've broken something. Trust a Brandybuck and a Took! What? That was just a detour. A short cut. -Short cut to what? -Mushrooms! That's mine. That's nice,Merry. Here's a nice one,Sam. I think we should get off the road. Get off the road! (..)2001 The Lord of the Rings: The Fellowship of the Ring