Ballesteros tweaked his golf swing.
I solo’d a joint and was tweaking just walking around.
Some democrats are trying to tweak Trump’s vanity
to tweak: pellizcar || Modificar, afinar, retocar. If you tweak something such as a system or a design, lo mejoras haciendo un pequeño cambio. Hacer un cambio menor. || (US Slang) estar colocado (por la droga), estar volado, estar drogado.
tweak: pellizco. || a minor adjustment or modification. A minor alteration