n. an accidental misstep threatening (or causing) a fall; "he blamed his slip on the ice"; "the jolt caused many slips and a few spills"

n. a light or nimble tread; "he heard the trip of women's feet overhead"

n. a journey for some purpose (usually including the return); "he took a trip to the shopping center"

n. an exciting or stimulating experience

n. a hallucinatory experience induced by drugs; "an acid trip"

v. get high, stoned, or drugged; "He trips every weekend"

v. put in motion or move to act; "trigger a reaction"; "actuate the circuits"

v. miss a step and fall or nearly fall; "She stumbled over the tree root"

v. cause to stumble; "The questions on the test tripped him up"

v. tripping can be done with the stick, knee, foot, arm, hand or elbow