tripping

verb

1. (form-of, gerund, participle, present)present participle and gerund of trip

adj

1. Quick; nimble; stepping lightly and quickly.
2. (not-comparable)Having the right forefoot lifted, the others remaining on the ground, as if trotting; trippant.

   “a buck tripping”

   “Robinson, [...] vert, on a chev. betw. three bucks, tripping, or, as many cinquefoils gu.—Crest, a buck, tripping, or.”

   “[A] buck tripping proper (of its natural colour), is borne by the name of Williams; Argent, a buck tripping proper, attired and unguled (horned and hoofed) or, by the name of Holme, in Scotland. The same arms are borne by the[…]”

   “Ar. three stags tripping ppr.”

3. (slang)Undergoing a hallucinogenic trip.
4. (slang)Saying crazy things or acting foolishly.

noun

1. The act of one who trips.

   “At present we only produce some of those slips and trippings of the tongue and pen to which we are all liable in our unguarded moments[…]”