Top Definition
to be attacked sexually by a girl with mono, without knowing she has mono till its too late.
dude i think i got haslamed last night this girl grapped my arm and pulled me into a bed room. Then her friend texted me this morning and told me she had mono last week.
by phoenixville-ian November 12, 2007

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.