Verb, packed it, packing it, pack it
The act of having intercourse with a female. Unlike regular sex or "punishin it", if you "pack it" you're bringing a whole new element into the game in that your shit hot (having plenty of experience) having sex and you don't quit until you say it's over. Additional you prefer to to go deep from the get go and you don't fuck around.
Bro 2 - Dayum I can't wait to get home and PACK IT booiiiii!!!!
Chick 1 - Hey girl I heard you got with Luis last night.
Chick 2 - Hell yeah he was packing it hard.
v: the imitation of the action to pack a dip by flicking your wrist to snap your forefinger against your middle finger with a *snap* - usually follows yelling, "Pack it!" as described above.
Player2: Hell yeah, I'll pack to that!
Player1: Pack it! *snap* *snap* *snap*
Source: tehb, Jersey