keen as mustard

extremely enthusiastic, delightful

RiCHARD SIMMONS WAS AS KEEN AS MUSTARD TO LAY OUT A WORK OUT PLAN FOR HIS FAT CLIENTS

by ONERY January 20, 2009

keen as cheese and mustard

To be excited and/or show agreement towards participation in an upcoming event

All over gang member 1: "Halo?"
All over gang members 2+3: "Halo!"
All over gang member 4: "I'm as keen as cheese and mustard to play Halo"
All over gang member 1: "Then let's play"

by Captain Rough Around The Edges October 25, 2006

Keen as mustard

To be very keen on something; to be particularly interested in, or looking forward to something

I hear the meat pie eating competition is on this weekend, and Trac is going to take part. Mate I am keen as mustard to go watch!

by eshayladd01 November 25, 2019