Р173
ВО ВЕСЬ POT
PrepPInvaradv 1. улыбаться, зевать и т. п. \Р-173 coll (to smile) very widely, (to yawn) with one's mouth open wide: (grin) from ear to ear
(smile) nice and wide(have) a broad grin (on one's face)(grin) showing all one's teeth(give) a big yawn.
Cf. (grin) like a Cheshire cat.
2. кричать, орать \Р-173 highly coll (to yell) very loudly: (shout) one's head off
(shout) at the top of one's voice (lungs).