sham up
verb. Usually applies to cars. To modify using body kits, alloys, vinals etc. To modify as a sham would. Originates from Irish cities especially Limerick.
"Ugh, look at that shammed up Civic. How does he get over speed bumps with those skirts?"
Shamming up
Chopping ham quickly and effectively. Cutting salami with a large knife very fast, almost like a karate chop.
Not to be confused with shamming Shamming up is chopping ham. If you had a large sausage of salami, you'd cut it quickly, which is called shamming