spike the punch WordReference Forums

What did the man think "spike" meant when the woman told him to "spike the punch"? Thanks in advance!

Alex Lahey's Searing, Stunning Spike the Punch Hits Hard and Leaves a Mark - Atwood Magazine

MuscleTech Cell Tech, Creatine Powder, Fruit Punch, 6lbs

Top 100 Albums of the 1990s

Delicious Desserts that won't spike insulin levels, diabetics can enjoy guilt-free

In Punch, A Young Boxer Comes To Terms With His Sexuality

Posts falsely claim 'WEF wants eggs banned' following Covid study

Nigeria's #EndSARS Movement and Media Suppression - Columbia Journalism Review

One Punch Man: A Hero Nobody Knows (Video Game) - TV Tropes

Racism in soccer goes beyond 90 minutes

Mushroom Samba, Cowboy Bebop Wiki

Older golfers 'want to punch' us, claims Seamus Power

Pack-a-Punch Machine, Call of Duty Wiki

wasted opportunity, passing up a second communications channel