Shelf

Lame.

Square.
Busted.

Tired.

Dude is so shelf with those corny jokes.
She is so shelf! No cap!

by CHOPPAMAMA December 3, 2020

Shelf

Lame or old fashioned. Not cool, popular or trending.

“Those shoes are shelf, no one is wearing them anymore.”
“You’re so shelf. Why would you say that?”

by Da Dubs December 3, 2020

Shelf

Lame

That’s so shelf!

by Bellesfolly December 3, 2020

Shelf

Lame

This party is completely shelf!

by AMAD77 December 3, 2020

Shelf

Lame, pathetic

It would be so shelf to stay home Friday night after I told everyone I had plans.

by Wordgirl333 December 3, 2020

On the shelf

(Verb) Reference to the amount of time a person has been without any sexual relations. This state can be either self imposed, involuntary or some combination.

Nikki told himself, cause he talked to himself quite frequently, "Goddamn I've been on the shelf so long I get a dick-hard when the wind blows nowadays".

by Nikki Stixx September 12, 2020

shelfing it

To insert an ecstacy pill into your anus.

'Are you shelfing it tonight?', or 'Have you ever shelfed it?'

by Alex Lumb April 23, 2008