brainsucker - meaning and definition. What is brainsucker
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What (who) is brainsucker - definition

1997 VIDEO GAME
Brainsucker; X-Com: Apocalypse; Hyperworms; List of X-COM: Apocalypse races; X-COM 3; XCOM 3

brainsucker         
A person or job that exhausts one's mental energy.
This problem is a brainsucker.My boss is a brainsucker.

Wikipedia

X-COM: Apocalypse

X-COM: Apocalypse is a 1997 science fiction tactical strategy game. It is the third game in the X-COM video game series. It was developed by Mythos Games (the creators of the original X-COM game), and published by MicroProse in 1997 for DOS and Microsoft Windows.