1) Sumaksak ka ng isang blokeng yelo. (You pierce a block of ice.) 2) Saksakin mo sa dibdib ang baka. (Pierce the cow's chest.)
source: Large Tagalog Dictionary
Active Verb: magsaksak
Passive Verb: isaksak
English Definition: (verb) to stuff; to cram in clothes as in packing
1) Magsaksak tayo ng papel sa loob ng bag. (Let us stuff some papers in the bag.) 2) Isaksak mo ang mga papel sa loob ng bag. (Stuff some papers in the bag.)
source: Large Tagalog Dictionary
Active Verb: manaksak
English Definition: (verb) to stab; to pierce
Huwag kang manaksak ng kalaro mo. (You should not stab your playmates.)