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.
- union purchase
- union rep
- union representative
- union room
- union rose
- union rustic
- union scale
- union screw
- union shop
- union-smashing
- Union Square
- union suit
- union system
- Union Territory
- union ticket
- union vowel
- unionwide
- Unio pearl
- uniparental
- uniparous
- unipartite
- uniped
- unipersonal
- unipersonalist
- unipersonality