verb
to apply quickly or forcefully
adverb
in a quick or forceful manner
-
The judge decided to slap on an additional fine for the defendant's repeated offenses.
-
I can't believe they slapped on an extra charge for parking in the wrong spot.
-
They really slapped on a hefty fee for canceling my reservation last minute.
-
She felt like life was just slapping on one challenge after another.