Wingman
From Tardis Wiki, the free Doctor Who reference
A wingman or wingwoman was a role a friend could undertake.
Jack Harkness once used it as a pseudonym. (AUDIO: Changes Everything [+]Loading...["Changes Everything (audio story)"])
The Thirteenth Doctor once described Yasmin Khan as her wingwoman and BFF. (PROSE: Meet the Crew [+]Loading...["Meet the Crew (feature)"])
