backseat buyer
A person who gets excited over other people's future or current purchases. Usually an enthusiastic shopper for themselves as well.
Can also be used as an adjective and verb.
Can also be used as an adjective and verb.
"I'm such a backseat buyer; I love helping my friends choose stuff as much as buying something for myself!"
"Whenever I think about getting a new gadget, my father goes backseat buyer."
"If you don't stop backseat buying right now I'm going to smack you."
"Whenever I think about getting a new gadget, my father goes backseat buyer."
"If you don't stop backseat buying right now I'm going to smack you."