Fortnite vocabulary

Words fortnite kids use that confuse the avarage person

Fortnite kid: yeah i can do a triple ramp rush.
Person a: what sorry dont understand that fortnite vocabulary

vocabulary challenged

When a person has a momentary lapse of memory and can't think of the correct word to use during conversation.

We were at the park the other day and saw this big ...um...what's it called? Sorry, I'm vocabulary challenged at the moment.