mom thoughts Share definition Flag Noun; Achieved by wanking furiously at your mother's home and at climax, accidenatally thinking of mum. Later realizing, 'twas no accident. Frank: Wtf is wrong dude? Steve: I think I just had mom thoughts last night dude! OH SHIT! mom thoughts by JustStopItPLEASE June 9, 2016 0 0 Get merch