spike

1 spike /ˈspaɪk/ noun
plural spikes
1 spike
/ˈspaɪk/
noun
plural spikes
Britannica Dictionary definition of SPIKE
1 
[count] : a long, thin rod that ends in a point and is often made of metal
2 
[count] : a sudden, rapid increase in something
3 
a  [count] : a metal point attached to the bottom of shoes worn by athletes in some sports — usually plural
b  spikes [plural] : shoes with metal points attached to the bottom
c  spikes [plural] : women's shoes with high, thin heels
4 
[count] : a long, narrow group of flowers that grow on one stem
2 spike /ˈspaɪk/ verb
spikes; spiked; spiking
2 spike
/ˈspaɪk/
verb
spikes; spiked; spiking
Britannica Dictionary definition of SPIKE
1 
[+ object]
a  : to add alcohol or drugs to (food or drink) — often + with
b  : to add something that gives flavor or interest to (something) — usually + with
2 
[no object] chiefly US : to increase greatly in a short period of time
3 
[+ object] sports
a  : to hit (a volleyball) sharply downward towards the ground
b  US : to throw (a ball) sharply downward
4 
[+ object] : to form (something, such as hair) into spikes or points
5 
[+ object] : to pierce or cut (someone or something) with a sharp point or spike
6 
[+ object] : to prevent (something, such as a story or rumor) from being published or becoming known by many people

spike someone's guns

British
: to ruin an opponent's plans