hol ‧ ler /ˈhɒlə $ ˈhɑːlər/ BrE AmE verb [intransitive and transitive]
[ Date: 1600-1700 ; Origin: hollo '(to make) a shout to attract attention' (16-19 centuries) ]
especially American English informal to shout loudly SYN yell
holler at
I heard someone hollering at me.
—holler noun [countable]