| 1. | a blanket dampened with water so as to extinguish a fire. |
| 2. | a person or thing that dampens enthusiasm or enjoyment: Nobody asked him to join the group because he's such a wet blanket. |

| wet blanket n. Informal One that discourages enjoyment or enthusiasm. |
Someone who dampens enthusiasm: “We were all having a good time until Harold walked in and started acting like a wet blanket.”
wet blanket
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wet blanket
A person who discourages enjoyment or enthusiasm, as in Don't be such a wet blanket
the carnival will be fun! This expression alludes to smothering a fire with a wet blanket. [Early 1800s]