prasmegti
1. fall through; come down; 2. (dingti) disappear, vanish; p. kiaurai žemę disappear without leaving a trace; vanish into thin air; kad aš prasmegčiau kiaurai žemę, jei... I'll be damned if...; tartum kiaurai žemės prasmego as though the earth had opened and swallowed it up ; kad jis prasmegtų! the deuce take him.