gawk

Short definition from Wiktionary

Noun

1. 1
   A cuckoo; (sometimes by extension) any gawky bird.
2. 2
   A fool; a simpleton; a stupid or clumsy person.
3. 3
   A conspicuous or stupid stare or gape; an instance of gawking.

Verb

1. 1
   To stare or gape stupidly.
2. 2
   To stare conspicuously.
3. 3
   To suck.