2. Verb - to yelp, meaning to use the website yelp.com, especially to write a review or share/find information about a business or topic
3. Verb - to scream like a dog
2. Oh man, this taco is AMAZING, I gotta Yelp this.
3. The chick in the porno I watched last night was yelpin' like Lassie
The word "yelp" stands for the phrase "Yuppies Eat Like Pigs".