(trig) adjective
1. Characterized by tidiness; trim; neat.
2. Strong; sound; firm.
3. In a depreciative sense, correct; precise; prim.
4. Faithful; trustworthy; dependable.
5. Active; alert.
6. Full; inflated.
—v.t. trigged, trig·ging To make trig or neat; dress finely or smartly: often with out or up. [<ON tryggr true, trusty]
—trig′ly adverb
—trig′ness noun

(trig) v.t. trigged, trig·ging
1. To check, as with a skid; obstruct; stop.
2. To shore; prop.
—noun A check or brake, as a skid or drag for a wheel. [? <ON tryggja make firm]