{f} make more powerful, increase the power, increase the efficiency (of cars, engines etc.)
soup up
Turkish pronunciation
sup ʌp
Pronunciation
/ˈso͞op ˈəp/ /ˈsuːp ˈʌp/
Etymology
[ 'süp ] (noun.) 14th century. Middle English soupe, from Middle French, sop, soup, of Germanic origin; akin to Old Norse soppa soup, Old English sopp sop; more at SUP.