DP1
abbreviation
1Data processing.
2Displaced person.
DP2
noun
A director of photography (the person who oversees the photography and camerawork in a film, television production, etc.): we're looking for a DP for an ambitious action/adventure short film
DP3
noun informal
A person's wife, husband, or partner (used in electronic communication): I'm 36 and my DP is 42 and we have been together for six years
Origin
1990s: abbreviation of darling partner or dear partner.