A London cocktail bar which overlooks the red carpet on Leicester Square is making full use of its location this week to serve up an XXL drink. The Rocket Room, which is part competitive gaming venue and cocktail destination, has come up with the Jason Mamosa as a tribute to actor Jason Momoa's role in Supergirl, which is having its UK premiere in London on Thursday 18 June.
The gigantic cocktail (look at the photos - it's the size of your head!) is a supersized take on a Mimosa and comes to the table in a giant fishbowl. It's made with OJ and your choice of a whole bottle of Pol Roger Brut Réserve NV (£138), Saint Gall Tradition Premier Cru (£80) or Prosecco Acquerrello DOC (£42).
Slightly worryingly, the Prosecco version is also served free to groups of four or more booking an axe-throwing session at the venue. We're going to go ahead and presume that's post-axe-throwing rather than before.
More about the Jason Mamosa
Where is it? 2nd Floor, Market Place, Leicester Square, London WC2H 7JX
When? 18–25 June 2026 - must be prebooked
Find out more: Visit their website or follow them on Instagram @rocket.room.lsq
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