suit someone or something down to the ground

suit (one) down to the ground

To be ideal for one. I'm cold all the time, so this hot weather really suits me down to the ground.
See also: down, ground, suit

suit someone or something down to the ground

be extremely convenient or appropriate for a particular person or thing. British informal
1997 Daily Mail Sly's better sense of comic timing suits the tongue-in-cheek script down to the ground.