When a person is trying has a hidden motive or hidden objective with another person secretely.
I think he has ulterior motives with me, just trying to get inside of my pants.
by Chloe98 February 06, 2012
1 more definition
Female tactic in Domestic Warfare.
The 'Ulterior Motive' is an oft used tactic, by females, in the theatre of domestic warfare.
by Gamblers Anonymous November 16, 2006