gya tshom

གྱ་ཚོམ
1) dishonesty, deceit[fulness], guile, trick, nonsense; 2) swift movement, glimpse, swirling, intermittent flashing, flashing forth; 3) not thinking/ examining, acting w/o checking out, blind rash act [IW]

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] [RY]

momentary, unstable, without deliberation [JV]