Slapping

Slapping was the act of striking something with an open hand. Slapping a person across the face was a common form of physical assault.

Iris Wildthyme slapped a fan when he said she didn't look like Iris. (AUDIO: )

Leela slapped Adelaide Lessage out of irritation when she screamed. (TV: )

Following River Song revealing to Dibbsworth that they were in a miniscope, she slapped him to break his shock. She questioned though if a slap actually did break shock or just something that people did. (AUDIO: )

Slapping the Doctor
The Doctor has often been slapped, it especially being a habit of his Ninth, Tenth and Eleventh incarnations.

After the Ninth Doctor returned Rose Tyler to Earth in 2006 following a 12-month absence, her mother, Jackie, having spent all that time frantic with worry over her daughter's unexplained disappearance, angrily slapped him. The Doctor later remarked how much the slap hurt, claiming that in "nine hundred years of time and space" he had never been slapped by someone's mother. (TV: )

Donna Noble slapped the Tenth Doctor twice during their first meeting. (TV: )

After Francine Jones was told the things the Tenth Doctor had done by a mysterious man, she walked up to him and slapped him in the face, telling him to stay away from her daughter, Martha. (TV: )

After witnessing her past self shoot the Teselecta fashioned in the likeness of the Eleventh Doctor, River Song slapped a 909 year old version of the Doctor, the Time Lord waving this off as a result of something he'd yet to do. (TV:

When the Eleventh Doctor fought with Mr Clever for control of his body, Clara Oswald would slap him to create a synaptic burst necessary for him to resume control. (TV: )

After Jenny Flint had helped cure him from the effects of Mr. Sweet's toxin, the Eleventh Doctor kissed her who slapped him in response, the Doctor saying it felt good after the toxin's effects. (TV: )

During the Siege of Trenzalore, when Tasha Lem had been converted into a Dalek puppet, she slapped the Eleventh Doctor for his insulting comments that had generated the anger necessary to break free of the Dalek programming. (TV: )

When the Twelfth Doctor later expressed jubilation that Rusty was as evil as any Dalek, she slapped him harder than she'd ever slapped him, to the point that he audibly moaned in pain. (TV: )

During the two's hunt for the hypothetical perfect hider, Clara slapped the Doctor on the back of the head for scaring Rupert Pink. (TV: )

After their trip to the Moon in 2049, Clara threatened to slap the Doctor "so hard that [he would] regenerate" for withholding the truth about the Moon creature. (TV: )

When the two were enthralled by the dream crabs, she slapped him after he'd badmouthed the late Danny Pink in an attempt to flood her mind with emotion. (TV: )

When the Fourteenth Doctor turned up at the Nobles' home in 2023, at the same time as when Donna Noble discovered Beep the Meep hiding in their garden shed, Sylvia, exasperated at once again having to deal with extra-terrestrials, this time at risk to her daughter's life, slapped the Doctor. Having once again taken up the habit of being slapped by his companions' mothers, the Doctor muttered "here we go again" under his breath as he recoiled. (TV: )