An insecure person characterized by his or her tendency to prevent their sexual parter from participating in sex acts with others.
Tom: Hey Bob, your girlfriend was a great fuck last night.
Bob: I'll kill you!
Tom: Don't be such a mate guard.
Bob: I'll kill you!
Tom: Don't be such a mate guard.
by assmurderer June 23, 2011
Get the Mate Guard mug.Related Words
Mate Guard
• mate
• Mate Date
• Mate (name)
• mate-rape
• “Mate”
• MATE-A-MORPHISES
• mate-bacilli
• Mate Boost
• mate card