Because it's too cold out-tide.
This joke appeals to Tide, a product used for washing clothes. Thus, washing clothes in Tide makes logical sense.
A creative use of language comes into play because it can be applied to the word "outside" even with the s omitted. While looking at both in tide and out-tide, you'll easily figure out the humor in this.
Stunned silence isn't the response most of us are looking for when we tell a joke. To help improve your odds of laughter, try these tips on how to tell a joke, featured at NYTimes.com.
Looking for funny jokes? According to the research carried out by Onepoll.com, here's the top 50 funniest jokes ever told.