Lay down and Twiddle thumbs

Lay down verb - To put into effect through legislative or authoritative action.

Twiddle thumbs and lay down are semantically related. In some cases you can use "Twiddle thumbs" instead a verb "Lay down".

Lay down and twiddle thumbs are semantically related. Sometimes you can use "Lay down" instead a verb phrase "Twiddle thumbs".