1 the hand you use to jerk off, usually the one you brag about Expand I showed my madame palm to my teacherMy madame palm is better than yoursI used my madame palm to scare the principal + Examples
2 a big old wank, like the kind you do in the hallway Expand He did a madame palm in the lunchroomI got caught with a madame palmThat madame palm was louder than the bell + Examples
3 when you're so full of wanks you can't think straight Expand I had a madame palm after lunchShe was so busy with a madame palmHe did a madame palm during math + Examples