A boyfriend that a girl is proud of being with. She thinks a lot of him and in some cases can feel he is superior to most. She wants to go everywhere with him so everyone can see them together and she can "show him off".
-Mean, Addam's my boyfriend! Hell yeah what a trophy boyfriend!
-Wow, she goes everywhere with him, he's a real trophy boyfriend.
-(To Boyfriend) I love you, you're amazing in every way. You're the ultimate Trophy Boyfriend