blow-up

From the verb phrase blow up.

blow-up (not comparable)

1. Inflatable; able to be blown up.

   The kids played with a blow-up sea-monster in the pool.

blow-up (plural blow-ups)

1. (informal) An explosion (physical or emotional).

   I heard Jen's blow-up from the next room.

2. (informal) An enlargement (e.g. of a photograph).

   Make a blow-up of the chart so we have more room to draw on it.

• upblow