adj. (tipsier, tipsiest) 1 slightly intoxicated. 2 caused by or showing intoxication (a tipsy leer). tipsy-cake Brit. a sponge cake soaked in wine or spirits and served with custard. tipsily adv. tipsiness n.
[ prob. f. TIP(2) = inclined to lean, unsteady: for -sy cf. FLIMSY, TRICKSY ]