Word tree

Phrase. Similar to "word trick". Used at times when the word "trick" may be inappropriate, or when the speaker wants to get the same feel as the phrase "word trick" but without being like everyone else who uses the phrase.

Bro 1: Hey man, I'll pick you up at 9
Bro 2: Word tree

Girl1: Hey, I mailed you your letter today
Girl2: Word tree
Girl1: That's cool how you used an original phrase