mainline
verb/ˈmeɪnlaɪn/
/ˈmeɪnlaɪn/
[transitive, intransitive] (slang)Verb Forms
| present simple I / you / we / they mainline | /ˈmeɪnlaɪn/ /ˈmeɪnlaɪn/ |
| he / she / it mainlines | /ˈmeɪnlaɪnz/ /ˈmeɪnlaɪnz/ |
| past simple mainlined | /ˈmeɪnlaɪnd/ /ˈmeɪnlaɪnd/ |
| past participle mainlined | /ˈmeɪnlaɪnd/ /ˈmeɪnlaɪnd/ |
| -ing form mainlining | /ˈmeɪnlaɪnɪŋ/ /ˈmeɪnlaɪnɪŋ/ |
- mainline (something) to take an illegal drug by injecting it into a vein
- At 18 he was mainlining heroin.
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mainline