The act of taking bowling hot soup (normally chicken noodle, egg drop, cheese and broccoli, etc.) and pouring it into a females vagina, then eating it with a spoon. The sound produced by the female after having this performed is similar to the Guanaco, which is an animal native to south america, hence the name South American Soup Bowl.
Ethan: "I heard you gave Sally a South American Soup Bowl last night."
Carson: "Yeah, she told me that she will put my penis in a zippeh as revenge."
A mexican soup bowl is when a boy pulls out (after missionary position) and unloads in her belly button and eats it with a teaspoon.
"last night i was a bit hungry so i made a mexican soup bowl"
a..soup..bowl is a tiktok user who has grade A daddy issues and wants to get to know their mutuals but whenever they have a conversation it gets so awkward that they give up =)
"hey do you know a..soup..bowl on tiktok?" "Yeah, they freaked out talking to me"