γελᾷ δ' ὁ μωρός, κἄν τι μὴ γέλοιον ᾖ → the fool laughs even when there's nothing to laugh at
P. and V. μέγας, V. εὔογκος (Eur., Fragment), Ar. ὑπέρμεγας, P. ὑπερμεγέθης, ὑπέρογκος.
fat: P. and V. εὐτραφής, Ar. and P. παχύς.