pulled a tristan

When you say someone's name and start rhyming that name with other words

Person 1: Hey Tristan
Person 2: Hey Jack, Black, Gack, Sack, you have a hunchback, I'll make your ass bounce back
Person 1: Oh, Pulled a tristan

Pulling a Tristan

when a friend tells your crush that you like them, without your permission

Crush: Alex told me you like me...
You: Dammit, Alex pulled a Tristan on me!
l.a.t.e.r
You: Why'd you tell my crush that I like her?
Alex: She was asking, sorry for pulling a Tristan man...