barrack for

US /ˈber.ək fɔːr/
UK /ˈber.ək fɔːr/
"barrack for" picture
1.

to express support or encouragement for a team or person, especially loudly

:
The crowd began to barrack for their home team as the game intensified.
Even though they were losing, their fans continued to barrack for them enthusiastically.