Definition of straight-arm in English:

straight-arm

verb

[WITH OBJECT]North American
informal
  • Ward off (an opponent) or remove (an obstacle) with the arm straight.

    ‘I straight-armed the woman leaning in on her’
    • ‘Within five minutes of the resumption, however, they were down to 14 men after Quinnell straight-armed Lamaison around the neck.’

Pronunciation

straight-arm

/streɪt ɑrm/