When a female barely touches you with her ass and you get that weird tickly feeling and then you go to the bathroom and jack it off because you're a faggot
"She booty tickled me in the lunch line while I was playing with my yuh GI oh cards"
A take on the common phrase "Duty calls".
This phrase is to be said when one is about to bail on their current activity with present company because they have received a "Call of booty".
Caitlin where are you going we just got into the club?