Synonyms of slaphappy

2 Syllables
silly, tipsy, puzzled, groggy, punch-drunk, hazy, punchy, woozy, giddy, weak-kneed, wobbly, gaga, dazzled
3 Syllables
birdbrained, staggered, senile, confused, befuddled, unsteady, foolheaded, staggering, glassy-eyed
4 Syllables
muddle-headed, ridiculous, bewildered, scatterbrained