{n. phr.}, {slang} Nervous over-activity; restlessness. * /Jane can not sit still; she has ants in her pants./ * /You have ants in your pants today. Is something wrong?/
ANTS IN ONE'S PANTS
Meaning of ANTS IN ONE'S PANTS in English
Slang English vocab. Английский сленговый словарь. 2012