tumbar
transitive verb
1 (derribar) [+persona] to knock down; knock over; [+puerta] (a golpes) to batter down; (a patadas) to kick down o in; [+viento] to blow down
tanto alcohol acabó tumbándolo all that alcohol ended up laying him out; lo tumbaron a golpes they punched him to the ground
3 [+olor] to knock back (familiar)
un olor que te tumba an overpowering smell; a smell which knocks you back (familiar)