In Gaming terminology, Mini Tank is a unit with high Hit-point, though not as "beefy" as a regular tank, Mini Tank main function is as a quick response in distracting enemy's unit and shielding the supporting troops as a meat shield for not quite as long but with cheaper cost
Example (Clash Royale)
Giant/Golem is a tank
knight/Ice Golem is a mini tank
Musketeer/Wizard is a supporter
Gamer A : My supporting troops dies too fast
Gamer B : You need to add mini tank
1) A co-worker who acts like the boss. 2) A beta male who pretends to be an alpha or leader.
The guy at the desk next to me is such a mini boss.
A Miniature Convention typically held for a smaller group of people with a specific focus.
"I am upset that I cant get to go to {Christian Loparco ComicCon this year! "
"That's ok, I hear that Carlos is having a Mini-Con for every couple weeks for people who like Anime"
(adj) referring to anything small. This reference usually occurs while hanging out with a group of people for an extended amount of time. Given enough time, someone in the group will probably sing the phrase "mini sirloin burgers" from the Jack in the Box commercial with the midgets and the infectious jingle. Subsequently it gets stuck in everyone's head and references to anything small become "mini sirloin"
petite girl: I can't hold all of these bags things at once!
big guy: Well hand them to me, I'm surprised you can hold on to anything with those mini sirloin hands.
A (usually young) Imogen Heap impersonator.
Imogen Heap doesn't play in Grand Rapids, but at least there's a Mini Immi in town we can go see.
A young girl loved by many and who allways gets hit on by creepy guys about 3 years older than she is. Loves the pimps too.
"That girl looks like a Mini bowlus! Lets go hit on her!"