Footwear worn for kicking in sport or the capacity/skill to kick effectively; used to indicate a player's strong kicking form or performance.
2.
USUKinformalslang
Sturdy, aggressive boots associated with rough activity, intimidation, or readiness to fight; sometimes used metaphorically to indicate preparation to assert oneself ('butt-kicking boots').
3.
USUKinformalcolloquial
A metaphorical expression meaning to prepare to take vigorous or forceful action; to adopt an assertive or confrontational stance.