trimma

Etymology
Borrowed from.

Verb

 * 1)  to jog (for exercise)

Verb

 * 1) to tune (an engine or the like)
 * 2) to trim hair
 * 1) to trim hair
 * 1) to trim hair
 * 1) to trim hair

Usage notes
Often of illegal (but widespread) tuning of mopeds driven by teenagers to raise the max speed above the legal 45 km/h.