1) acting without checking out first, blind/rash action; e.g., rgya tshom du gzhan brjes su 'gro mkhan. 2) Das: i) momentary. ii) unstable. iii) without deliberation, consideration. 3) CM: ma brtags pa. E.g., kha nas kang byung mang byung gis gya tshom du smra ba. [mss]