Shovel in and Scarf out

Shovel in verb - Eat a large amount of food quickly.

Scarf out and shovel in are semantically related. in eat a lot topic. In some cases you can use "Scarf out" instead a verb "Shovel in".

Scarf out verb - Overeat or eat immodestly; make a pig of oneself.

Shovel in and scarf out are semantically related. Sometimes you can replace term "Shovel in" with "Scarf out", this phrasal verbs are similar.