It almost 'beggars belief' [=it is very hard to believe] that anyone can be so cruel.
I heard you won the contest! You lucky 'beggar'!
a plot so complex that it 'beggars description'
(..) for a dyin' man? I got no room for any Southern scum, alive or dead. Get out of the way! I reckon he'd rather try and walk it at that. Giddap! Jump, you gray-backed beggars! Act like they won the war! Now you come on and give me them pants, Mist' Kennedy. Come on. (..)1939 Gone with the Wind