outgrin

outgrin

(ˌaʊtˈɡrɪn)
vb (tr) , -grins, -grinning or -grinned
to exceed in grinning
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Say cheese: Cat Deeley and bessie mate Edith Bowman try to outgrin Gaby Roslin and hubby
Then he's trying to outgrin a bunch of snap happy crocodiles in a battle inside a zoo's reptile house.