A type of boyfriend whose sole existence is to please their partner. They usually have a permanent "model" stare in photos and videos on Instagram with very little expression. You'll see the girlfriend constantly posting on Instagram about how great their boyfriend is, to the point that you'll question whether the boyfriend's sole purpose is just to make his partner look good. The toy boyfriend has very little personality because they exist just to stroke the ego of their partner.
"Look at Garret, he's such a toy boyfriend! He barely says a word whenever we hang out, and is always texting his girlfriend."